90560560

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3571}}^1$

素因数の和:3901

約数の個数: 40

約数和(自身を含む): 211276656

約数和(自身を除く): 120716096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 3571, 5072, 6340, 7142, 12680, 14284, 17855, 25360, 28568, 35710, 57136, 71420, 142840, 285680, 1132007, 2264014, 4528028, 5660035, 9056056, 11320070, 18112112, 22640140, 45280280, 90560560]

約数ペア:

[(1, 90560560), (2, 45280280), (4, 22640140), (5, 18112112), (8, 11320070), (10, 9056056), (16, 5660035), (20, 4528028), (40, 2264014), (80, 1132007), (317, 285680), (634, 142840), (1268, 71420), (1585, 57136), (2536, 35710), (3170, 28568), (3571, 25360), (5072, 17855), (6340, 14284), (7142, 12680)]