64222840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 158578560

約数和(自身を除く): 94355720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 643, 908, 1135, 1286, 1816, 2270, 2497, 2572, 3215, 4540, 4994, 5144, 6430, 7073, 9080, 9988, 12485, 12860, 14146, 19976, 24970, 25720, 28292, 35365, 49940, 56584, 70730, 99880, 141460, 145961, 282920, 291922, 583844, 729805, 1167688, 1459610, 1605571, 2919220, 3211142, 5838440, 6422284, 8027855, 12844568, 16055710, 32111420, 64222840]

約数ペア:

[(1, 64222840), (2, 32111420), (4, 16055710), (5, 12844568), (8, 8027855), (10, 6422284), (11, 5838440), (20, 3211142), (22, 2919220), (40, 1605571), (44, 1459610), (55, 1167688), (88, 729805), (110, 583844), (220, 291922), (227, 282920), (440, 145961), (454, 141460), (643, 99880), (908, 70730), (1135, 56584), (1286, 49940), (1816, 35365), (2270, 28292), (2497, 25720), (2572, 24970), (3215, 19976), (4540, 14146), (4994, 12860), (5144, 12485), (6430, 9988), (7073, 9080)]