72318040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58321}}^1$

素因数の和:58363

約数の個数: 32

約数和(自身を含む): 167967360

約数和(自身を除く): 95649320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 58321, 116642, 233284, 291605, 466568, 583210, 1166420, 1807951, 2332840, 3615902, 7231804, 9039755, 14463608, 18079510, 36159020, 72318040]

約数ペア:

[(1, 72318040), (2, 36159020), (4, 18079510), (5, 14463608), (8, 9039755), (10, 7231804), (20, 3615902), (31, 2332840), (40, 1807951), (62, 1166420), (124, 583210), (155, 466568), (248, 291605), (310, 233284), (620, 116642), (1240, 58321)]