72740590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6287}}^1$

素因数の和:6396

約数の個数: 32

約数和(自身を含む): 142611840

約数和(自身を除く): 69871250

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 6287, 11570, 12574, 31435, 62870, 81731, 163462, 408655, 559543, 817310, 1119086, 2797715, 5595430, 7274059, 14548118, 36370295, 72740590]

約数ペア:

[(1, 72740590), (2, 36370295), (5, 14548118), (10, 7274059), (13, 5595430), (26, 2797715), (65, 1119086), (89, 817310), (130, 559543), (178, 408655), (445, 163462), (890, 81731), (1157, 62870), (2314, 31435), (5785, 12574), (6287, 11570)]