90074920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2087}}^1$

素因数の和:2194

約数の個数: 64

約数和(自身を含む): 220993920

約数和(自身を除く): 130919000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 2087, 2158, 3320, 4174, 4316, 5395, 8348, 8632, 10435, 10790, 16696, 20870, 21580, 27131, 41740, 43160, 54262, 83480, 108524, 135655, 173221, 217048, 271310, 346442, 542620, 692884, 866105, 1085240, 1385768, 1732210, 2251873, 3464420, 4503746, 6928840, 9007492, 11259365, 18014984, 22518730, 45037460, 90074920]

約数ペア:

[(1, 90074920), (2, 45037460), (4, 22518730), (5, 18014984), (8, 11259365), (10, 9007492), (13, 6928840), (20, 4503746), (26, 3464420), (40, 2251873), (52, 1732210), (65, 1385768), (83, 1085240), (104, 866105), (130, 692884), (166, 542620), (260, 346442), (332, 271310), (415, 217048), (520, 173221), (664, 135655), (830, 108524), (1079, 83480), (1660, 54262), (2087, 43160), (2158, 41740), (3320, 27131), (4174, 21580), (4316, 20870), (5395, 16696), (8348, 10790), (8632, 10435)]