52801780

素因数分解:

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

素因数の和:628

約数の個数: 48

約数和(自身を含む): 114261840

約数和(自身を除く): 61460060

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 109, 212, 218, 265, 436, 457, 530, 545, 914, 1060, 1090, 1828, 2180, 2285, 4570, 5777, 9140, 11554, 23108, 24221, 28885, 48442, 49813, 57770, 96884, 99626, 115540, 121105, 199252, 242210, 249065, 484420, 498130, 996260, 2640089, 5280178, 10560356, 13200445, 26400890, 52801780]

約数ペア:

[(1, 52801780), (2, 26400890), (4, 13200445), (5, 10560356), (10, 5280178), (20, 2640089), (53, 996260), (106, 498130), (109, 484420), (212, 249065), (218, 242210), (265, 199252), (436, 121105), (457, 115540), (530, 99626), (545, 96884), (914, 57770), (1060, 49813), (1090, 48442), (1828, 28885), (2180, 24221), (2285, 23108), (4570, 11554), (5777, 9140)]