53039120

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1621}}^1$

素因数の和:2043

約数の個数: 40

約数和(自身を含む): 123693720

約数和(自身を除く): 70654600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1621, 1636, 2045, 3242, 3272, 4090, 6484, 6544, 8105, 8180, 12968, 16210, 16360, 25936, 32420, 32720, 64840, 129680, 662989, 1325978, 2651956, 3314945, 5303912, 6629890, 10607824, 13259780, 26519560, 53039120]

約数ペア:

[(1, 53039120), (2, 26519560), (4, 13259780), (5, 10607824), (8, 6629890), (10, 5303912), (16, 3314945), (20, 2651956), (40, 1325978), (80, 662989), (409, 129680), (818, 64840), (1621, 32720), (1636, 32420), (2045, 25936), (3242, 16360), (3272, 16210), (4090, 12968), (6484, 8180), (6544, 8105)]