91085720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{207013}}^1$

素因数の和:207035

約数の個数: 32

約数和(自身を含む): 223575120

約数和(自身を除く): 132489400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 207013, 414026, 828052, 1035065, 1656104, 2070130, 2277143, 4140260, 4554286, 8280520, 9108572, 11385715, 18217144, 22771430, 45542860, 91085720]

約数ペア:

[(1, 91085720), (2, 45542860), (4, 22771430), (5, 18217144), (8, 11385715), (10, 9108572), (11, 8280520), (20, 4554286), (22, 4140260), (40, 2277143), (44, 2070130), (55, 1656104), (88, 1035065), (110, 828052), (220, 414026), (440, 207013)]