53730820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18787}}^1$

素因数の和:18820

約数の個数: 48

約数和(自身を含む): 132568128

約数和(自身を除く): 78837308

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 18787, 37574, 75148, 93935, 187870, 206657, 244231, 375740, 413314, 488462, 826628, 976924, 1033285, 1221155, 2066570, 2442310, 2686541, 4133140, 4884620, 5373082, 10746164, 13432705, 26865410, 53730820]

約数ペア:

[(1, 53730820), (2, 26865410), (4, 13432705), (5, 10746164), (10, 5373082), (11, 4884620), (13, 4133140), (20, 2686541), (22, 2442310), (26, 2066570), (44, 1221155), (52, 1033285), (55, 976924), (65, 826628), (110, 488462), (130, 413314), (143, 375740), (220, 244231), (260, 206657), (286, 187870), (572, 93935), (715, 75148), (1430, 37574), (2860, 18787)]