12916460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 28449792

約数和(自身を除く): 15533332

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 251, 310, 332, 415, 502, 620, 830, 1004, 1255, 1660, 2510, 2573, 5020, 5146, 7781, 10292, 12865, 15562, 20833, 25730, 31124, 38905, 41666, 51460, 77810, 83332, 104165, 155620, 208330, 416660, 645823, 1291646, 2583292, 3229115, 6458230, 12916460]

約数ペア:

[(1, 12916460), (2, 6458230), (4, 3229115), (5, 2583292), (10, 1291646), (20, 645823), (31, 416660), (62, 208330), (83, 155620), (124, 104165), (155, 83332), (166, 77810), (251, 51460), (310, 41666), (332, 38905), (415, 31124), (502, 25730), (620, 20833), (830, 15562), (1004, 12865), (1255, 10292), (1660, 7781), (2510, 5146), (2573, 5020)]