131495240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39607}}^1$

素因数の和:39701

約数の個数: 32

約数和(自身を含む): 299436480

約数和(自身を除く): 167941240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 39607, 79214, 158428, 198035, 316856, 396070, 792140, 1584280, 3287381, 6574762, 13149524, 16436905, 26299048, 32873810, 65747620, 131495240]

約数ペア:

[(1, 131495240), (2, 65747620), (4, 32873810), (5, 26299048), (8, 16436905), (10, 13149524), (20, 6574762), (40, 3287381), (83, 1584280), (166, 792140), (332, 396070), (415, 316856), (664, 198035), (830, 158428), (1660, 79214), (3320, 39607)]