53931440

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1373}}^1$

素因数の和:1877

約数の個数: 40

約数和(自身を含む): 125737488

約数和(自身を除く): 71806048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1373, 1964, 2455, 2746, 3928, 4910, 5492, 6865, 7856, 9820, 10984, 13730, 19640, 21968, 27460, 39280, 54920, 109840, 674143, 1348286, 2696572, 3370715, 5393144, 6741430, 10786288, 13482860, 26965720, 53931440]

約数ペア:

[(1, 53931440), (2, 26965720), (4, 13482860), (5, 10786288), (8, 6741430), (10, 5393144), (16, 3370715), (20, 2696572), (40, 1348286), (80, 674143), (491, 109840), (982, 54920), (1373, 39280), (1964, 27460), (2455, 21968), (2746, 19640), (3928, 13730), (4910, 10984), (5492, 9820), (6865, 7856)]