26400890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 48969360

約数和(自身を除く): 22568470

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 457, 530, 545, 914, 1090, 2285, 4570, 5777, 11554, 24221, 28885, 48442, 49813, 57770, 99626, 121105, 242210, 249065, 498130, 2640089, 5280178, 13200445, 26400890]

約数ペア:

[(1, 26400890), (2, 13200445), (5, 5280178), (10, 2640089), (53, 498130), (106, 249065), (109, 242210), (218, 121105), (265, 99626), (457, 57770), (530, 49813), (545, 48442), (914, 28885), (1090, 24221), (2285, 11554), (4570, 5777)]