158325680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63841}}^1$

素因数の和:63885

約数の個数: 40

約数和(自身を含む): 379987584

約数和(自身を除く): 221661904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 63841, 127682, 255364, 319205, 510728, 638410, 1021456, 1276820, 1979071, 2553640, 3958142, 5107280, 7916284, 9895355, 15832568, 19790710, 31665136, 39581420, 79162840, 158325680]

約数ペア:

[(1, 158325680), (2, 79162840), (4, 39581420), (5, 31665136), (8, 19790710), (10, 15832568), (16, 9895355), (20, 7916284), (31, 5107280), (40, 3958142), (62, 2553640), (80, 1979071), (124, 1276820), (155, 1021456), (248, 638410), (310, 510728), (496, 319205), (620, 255364), (1240, 127682), (2480, 63841)]