201604880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19843}}^1$

素因数の和:19983

約数の個数: 40

約数和(自身を含む): 472445952

約数和(自身を除く): 270841072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 19843, 39686, 79372, 99215, 158744, 198430, 317488, 396860, 793720, 1587440, 2520061, 5040122, 10080244, 12600305, 20160488, 25200610, 40320976, 50401220, 100802440, 201604880]

約数ペア:

[(1, 201604880), (2, 100802440), (4, 50401220), (5, 40320976), (8, 25200610), (10, 20160488), (16, 12600305), (20, 10080244), (40, 5040122), (80, 2520061), (127, 1587440), (254, 793720), (508, 396860), (635, 317488), (1016, 198430), (1270, 158744), (2032, 99215), (2540, 79372), (5080, 39686), (10160, 19843)]