31312580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1451}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 71717184

約数和(自身を除く): 40404604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1451, 1660, 2158, 2902, 4316, 5395, 5804, 7255, 10790, 14510, 18863, 21580, 29020, 37726, 75452, 94315, 120433, 188630, 240866, 377260, 481732, 602165, 1204330, 1565629, 2408660, 3131258, 6262516, 7828145, 15656290, 31312580]

約数ペア:

[(1, 31312580), (2, 15656290), (4, 7828145), (5, 6262516), (10, 3131258), (13, 2408660), (20, 1565629), (26, 1204330), (52, 602165), (65, 481732), (83, 377260), (130, 240866), (166, 188630), (260, 120433), (332, 94315), (415, 75452), (830, 37726), (1079, 29020), (1451, 21580), (1660, 18863), (2158, 14510), (2902, 10790), (4316, 7255), (5395, 5804)]