91216880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36781}}^1$

素因数の和:36825

約数の個数: 40

約数和(自身を含む): 218926464

約数和(自身を除く): 127709584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 36781, 73562, 147124, 183905, 294248, 367810, 588496, 735620, 1140211, 1471240, 2280422, 2942480, 4560844, 5701055, 9121688, 11402110, 18243376, 22804220, 45608440, 91216880]

約数ペア:

[(1, 91216880), (2, 45608440), (4, 22804220), (5, 18243376), (8, 11402110), (10, 9121688), (16, 5701055), (20, 4560844), (31, 2942480), (40, 2280422), (62, 1471240), (80, 1140211), (124, 735620), (155, 588496), (248, 367810), (310, 294248), (496, 183905), (620, 147124), (1240, 73562), (2480, 36781)]