85165840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9421}}^1$

素因数の和:9547

約数の個数: 40

約数和(自身を含む): 199784088

約数和(自身を除く): 114618248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 9421, 18842, 37684, 47105, 75368, 94210, 150736, 188420, 376840, 753680, 1064573, 2129146, 4258292, 5322865, 8516584, 10645730, 17033168, 21291460, 42582920, 85165840]

約数ペア:

[(1, 85165840), (2, 42582920), (4, 21291460), (5, 17033168), (8, 10645730), (10, 8516584), (16, 5322865), (20, 4258292), (40, 2129146), (80, 1064573), (113, 753680), (226, 376840), (452, 188420), (565, 150736), (904, 94210), (1130, 75368), (1808, 47105), (2260, 37684), (4520, 18842), (9040, 9421)]