28409296720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1601}}^1\times {\mathrm{31687}}^1$

素因数の和:33308

約数の個数: 80

約数和(自身を含む): 75537093888

約数和(自身を除く): 47127797168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1601, 3202, 6404, 8005, 11207, 12808, 16010, 22414, 25616, 31687, 32020, 44828, 56035, 63374, 64040, 89656, 112070, 126748, 128080, 158435, 179312, 221809, 224140, 253496, 316870, 443618, 448280, 506992, 633740, 887236, 896560, 1109045, 1267480, 1774472, 2218090, 2534960, 3548944, 4436180, 8872360, 17744720, 50730887, 101461774, 202923548, 253654435, 355116209, 405847096, 507308870, 710232418, 811694192, 1014617740, 1420464836, 1775581045, 2029235480, 2840929672, 3551162090, 4058470960, 5681859344, 7102324180, 14204648360, 28409296720]

約数ペア:

[(1, 28409296720), (2, 14204648360), (4, 7102324180), (5, 5681859344), (7, 4058470960), (8, 3551162090), (10, 2840929672), (14, 2029235480), (16, 1775581045), (20, 1420464836), (28, 1014617740), (35, 811694192), (40, 710232418), (56, 507308870), (70, 405847096), (80, 355116209), (112, 253654435), (140, 202923548), (280, 101461774), (560, 50730887), (1601, 17744720), (3202, 8872360), (6404, 4436180), (8005, 3548944), (11207, 2534960), (12808, 2218090), (16010, 1774472), (22414, 1267480), (25616, 1109045), (31687, 896560), (32020, 887236), (44828, 633740), (56035, 506992), (63374, 448280), (64040, 443618), (89656, 316870), (112070, 253496), (126748, 224140), (128080, 221809), (158435, 179312)]