20075097560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{4877}}^1$

素因数の和:5197

約数の個数: 128

約数和(自身を含む): 52696448640

約数和(自身を除く): 32621351080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 241, 244, 280, 305, 427, 482, 488, 610, 854, 964, 1205, 1220, 1687, 1708, 1928, 2135, 2410, 2440, 3374, 3416, 4270, 4820, 4877, 6748, 8435, 8540, 9640, 9754, 13496, 14701, 16870, 17080, 19508, 24385, 29402, 33740, 34139, 39016, 48770, 58804, 67480, 68278, 73505, 97540, 102907, 117608, 136556, 147010, 170695, 195080, 205814, 273112, 294020, 297497, 341390, 411628, 514535, 588040, 594994, 682780, 823256, 1029070, 1175357, 1189988, 1365560, 1487485, 2058140, 2082479, 2350714, 2379976, 2974970, 4116280, 4164958, 4701428, 5876785, 5949940, 8227499, 8329916, 9402856, 10412395, 11753570, 11899880, 16454998, 16659832, 20824790, 23507140, 32909996, 41137495, 41649580, 47014280, 65819992, 71696777, 82274990, 83299160, 143393554, 164549980, 286787108, 329099960, 358483885, 501877439, 573574216, 716967770, 1003754878, 1433935540, 2007509756, 2509387195, 2867871080, 4015019512, 5018774390, 10037548780, 20075097560]

約数ペア:

[(1, 20075097560), (2, 10037548780), (4, 5018774390), (5, 4015019512), (7, 2867871080), (8, 2509387195), (10, 2007509756), (14, 1433935540), (20, 1003754878), (28, 716967770), (35, 573574216), (40, 501877439), (56, 358483885), (61, 329099960), (70, 286787108), (122, 164549980), (140, 143393554), (241, 83299160), (244, 82274990), (280, 71696777), (305, 65819992), (427, 47014280), (482, 41649580), (488, 41137495), (610, 32909996), (854, 23507140), (964, 20824790), (1205, 16659832), (1220, 16454998), (1687, 11899880), (1708, 11753570), (1928, 10412395), (2135, 9402856), (2410, 8329916), (2440, 8227499), (3374, 5949940), (3416, 5876785), (4270, 4701428), (4820, 4164958), (4877, 4116280), (6748, 2974970), (8435, 2379976), (8540, 2350714), (9640, 2082479), (9754, 2058140), (13496, 1487485), (14701, 1365560), (16870, 1189988), (17080, 1175357), (19508, 1029070), (24385, 823256), (29402, 682780), (33740, 594994), (34139, 588040), (39016, 514535), (48770, 411628), (58804, 341390), (67480, 297497), (68278, 294020), (73505, 273112), (97540, 205814), (102907, 195080), (117608, 170695), (136556, 147010)]