71998960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81817}}^1$

素因数の和:81841

約数の個数: 40

約数和(自身を含む): 182617776

約数和(自身を除く): 110618816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81817, 163634, 327268, 409085, 654536, 818170, 899987, 1309072, 1636340, 1799974, 3272680, 3599948, 4499935, 6545360, 7199896, 8999870, 14399792, 17999740, 35999480, 71998960]

約数ペア:

[(1, 71998960), (2, 35999480), (4, 17999740), (5, 14399792), (8, 8999870), (10, 7199896), (11, 6545360), (16, 4499935), (20, 3599948), (22, 3272680), (40, 1799974), (44, 1636340), (55, 1309072), (80, 899987), (88, 818170), (110, 654536), (176, 409085), (220, 327268), (440, 163634), (880, 81817)]