68484520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131701}}^1$

素因数の和:131725

約数の個数: 32

約数和(自身を含む): 165944520

約数和(自身を除く): 97460000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131701, 263402, 526804, 658505, 1053608, 1317010, 1712113, 2634020, 3424226, 5268040, 6848452, 8560565, 13696904, 17121130, 34242260, 68484520]

約数ペア:

[(1, 68484520), (2, 34242260), (4, 17121130), (5, 13696904), (8, 8560565), (10, 6848452), (13, 5268040), (20, 3424226), (26, 2634020), (40, 1712113), (52, 1317010), (65, 1053608), (104, 658505), (130, 526804), (260, 263402), (520, 131701)]