90403160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42643}}^1$

素因数の和:42707

約数の個数: 32

約数和(自身を含む): 207249840

約数和(自身を除く): 116846680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42643, 85286, 170572, 213215, 341144, 426430, 852860, 1705720, 2260079, 4520158, 9040316, 11300395, 18080632, 22600790, 45201580, 90403160]

約数ペア:

[(1, 90403160), (2, 45201580), (4, 22600790), (5, 18080632), (8, 11300395), (10, 9040316), (20, 4520158), (40, 2260079), (53, 1705720), (106, 852860), (212, 426430), (265, 341144), (424, 213215), (530, 170572), (1060, 85286), (2120, 42643)]