157878040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127321}}^1$

素因数の和:127363

約数の個数: 32

約数和(自身を含む): 366687360

約数和(自身を除く): 208809320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 127321, 254642, 509284, 636605, 1018568, 1273210, 2546420, 3946951, 5092840, 7893902, 15787804, 19734755, 31575608, 39469510, 78939020, 157878040]

約数ペア:

[(1, 157878040), (2, 78939020), (4, 39469510), (5, 31575608), (8, 19734755), (10, 15787804), (20, 7893902), (31, 5092840), (40, 3946951), (62, 2546420), (124, 1273210), (155, 1018568), (248, 636605), (310, 509284), (620, 254642), (1240, 127321)]