130763960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{41381}}^1$

素因数の和:41471

約数の個数: 32

約数和(自身を含む): 297950400

約数和(自身を除く): 167186440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 41381, 82762, 165524, 206905, 331048, 413810, 827620, 1655240, 3269099, 6538198, 13076396, 16345495, 26152792, 32690990, 65381980, 130763960]

約数ペア:

[(1, 130763960), (2, 65381980), (4, 32690990), (5, 26152792), (8, 16345495), (10, 13076396), (20, 6538198), (40, 3269099), (79, 1655240), (158, 827620), (316, 413810), (395, 331048), (632, 206905), (790, 165524), (1580, 82762), (3160, 41381)]