1890007760

素因数分解:

$2^4\times 5^1\times {\mathrm{3391}}^1\times {\mathrm{6967}}^1$

素因数の和:10371

約数の個数: 40

約数和(自身を含む): 4396194816

約数和(自身を除く): 2506187056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3391, 6782, 6967, 13564, 13934, 16955, 27128, 27868, 33910, 34835, 54256, 55736, 67820, 69670, 111472, 135640, 139340, 271280, 278680, 557360, 23625097, 47250194, 94500388, 118125485, 189000776, 236250970, 378001552, 472501940, 945003880, 1890007760]

約数ペア:

[(1, 1890007760), (2, 945003880), (4, 472501940), (5, 378001552), (8, 236250970), (10, 189000776), (16, 118125485), (20, 94500388), (40, 47250194), (80, 23625097), (3391, 557360), (6782, 278680), (6967, 271280), (13564, 139340), (13934, 135640), (16955, 111472), (27128, 69670), (27868, 67820), (33910, 55736), (34835, 54256)]