10640240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{787}}^1$

素因数の和:826

約数の個数: 60

約数和(自身を含む): 26821944

約数和(自身を除く): 16181704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 787, 845, 1040, 1352, 1574, 1690, 2704, 3148, 3380, 3935, 6296, 6760, 7870, 10231, 12592, 13520, 15740, 20462, 31480, 40924, 51155, 62960, 81848, 102310, 133003, 163696, 204620, 266006, 409240, 532012, 665015, 818480, 1064024, 1330030, 2128048, 2660060, 5320120, 10640240]

約数ペア:

[(1, 10640240), (2, 5320120), (4, 2660060), (5, 2128048), (8, 1330030), (10, 1064024), (13, 818480), (16, 665015), (20, 532012), (26, 409240), (40, 266006), (52, 204620), (65, 163696), (80, 133003), (104, 102310), (130, 81848), (169, 62960), (208, 51155), (260, 40924), (338, 31480), (520, 20462), (676, 15740), (787, 13520), (845, 12592), (1040, 10231), (1352, 7870), (1574, 6760), (1690, 6296), (2704, 3935), (3148, 3380)]