129206360

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2339}}^1$

素因数の和:3731

約数の個数: 32

約数和(自身を含む): 291049200

約数和(自身を除く): 161842840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 2339, 2762, 4678, 5524, 6905, 9356, 11048, 11695, 13810, 18712, 23390, 27620, 46780, 55240, 93560, 3230159, 6460318, 12920636, 16150795, 25841272, 32301590, 64603180, 129206360]

約数ペア:

[(1, 129206360), (2, 64603180), (4, 32301590), (5, 25841272), (8, 16150795), (10, 12920636), (20, 6460318), (40, 3230159), (1381, 93560), (2339, 55240), (2762, 46780), (4678, 27620), (5524, 23390), (6905, 18712), (9356, 13810), (11048, 11695)]