91641680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88117}}^1$

素因数の和:88143

約数の個数: 40

約数和(自身を含む): 229459272

約数和(自身を除く): 137817592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 88117, 176234, 352468, 440585, 704936, 881170, 1145521, 1409872, 1762340, 2291042, 3524680, 4582084, 5727605, 7049360, 9164168, 11455210, 18328336, 22910420, 45820840, 91641680]

約数ペア:

[(1, 91641680), (2, 45820840), (4, 22910420), (5, 18328336), (8, 11455210), (10, 9164168), (13, 7049360), (16, 5727605), (20, 4582084), (26, 3524680), (40, 2291042), (52, 1762340), (65, 1409872), (80, 1145521), (104, 881170), (130, 704936), (208, 440585), (260, 352468), (520, 176234), (1040, 88117)]