39745160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 112492800

約数和(自身を除く): 72747640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 179, 182, 244, 260, 280, 305, 358, 364, 427, 455, 488, 520, 610, 716, 728, 793, 854, 895, 910, 1220, 1253, 1432, 1586, 1708, 1790, 1820, 2135, 2327, 2440, 2506, 3172, 3416, 3580, 3640, 3965, 4270, 4654, 5012, 5551, 6265, 6344, 7160, 7930, 8540, 9308, 10024, 10919, 11102, 11635, 12530, 15860, 16289, 17080, 18616, 21838, 22204, 23270, 25060, 27755, 31720, 32578, 43676, 44408, 46540, 50120, 54595, 55510, 65156, 76433, 81445, 87352, 93080, 109190, 111020, 130312, 141947, 152866, 162890, 218380, 222040, 283894, 305732, 325780, 382165, 436760, 567788, 611464, 651560, 709735, 764330, 993629, 1135576, 1419470, 1528660, 1987258, 2838940, 3057320, 3974516, 4968145, 5677880, 7949032, 9936290, 19872580, 39745160]

約数ペア:

[(1, 39745160), (2, 19872580), (4, 9936290), (5, 7949032), (7, 5677880), (8, 4968145), (10, 3974516), (13, 3057320), (14, 2838940), (20, 1987258), (26, 1528660), (28, 1419470), (35, 1135576), (40, 993629), (52, 764330), (56, 709735), (61, 651560), (65, 611464), (70, 567788), (91, 436760), (104, 382165), (122, 325780), (130, 305732), (140, 283894), (179, 222040), (182, 218380), (244, 162890), (260, 152866), (280, 141947), (305, 130312), (358, 111020), (364, 109190), (427, 93080), (455, 87352), (488, 81445), (520, 76433), (610, 65156), (716, 55510), (728, 54595), (793, 50120), (854, 46540), (895, 44408), (910, 43676), (1220, 32578), (1253, 31720), (1432, 27755), (1586, 25060), (1708, 23270), (1790, 22204), (1820, 21838), (2135, 18616), (2327, 17080), (2440, 16289), (2506, 15860), (3172, 12530), (3416, 11635), (3580, 11102), (3640, 10919), (3965, 10024), (4270, 9308), (4654, 8540), (5012, 7930), (5551, 7160), (6265, 6344)]