57642020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 125798400

約数和(自身を除く): 68156380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 310, 389, 478, 620, 778, 956, 1195, 1556, 1945, 2390, 3890, 4780, 7409, 7780, 12059, 14818, 24118, 29636, 37045, 48236, 60295, 74090, 92971, 120590, 148180, 185942, 241180, 371884, 464855, 929710, 1859420, 2882101, 5764202, 11528404, 14410505, 28821010, 57642020]

約数ペア:

[(1, 57642020), (2, 28821010), (4, 14410505), (5, 11528404), (10, 5764202), (20, 2882101), (31, 1859420), (62, 929710), (124, 464855), (155, 371884), (239, 241180), (310, 185942), (389, 148180), (478, 120590), (620, 92971), (778, 74090), (956, 60295), (1195, 48236), (1556, 37045), (1945, 29636), (2390, 24118), (3890, 14818), (4780, 12059), (7409, 7780)]