53201200

素因数分解:

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

素因数の和:831

約数の個数: 90

約数和(自身を含む): 138580044

約数和(自身を除く): 85378844

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 787, 845, 1040, 1300, 1352, 1574, 1690, 2600, 2704, 3148, 3380, 3935, 4225, 5200, 6296, 6760, 7870, 8450, 10231, 12592, 13520, 15740, 16900, 19675, 20462, 31480, 33800, 39350, 40924, 51155, 62960, 67600, 78700, 81848, 102310, 133003, 157400, 163696, 204620, 255775, 266006, 314800, 409240, 511550, 532012, 665015, 818480, 1023100, 1064024, 1330030, 2046200, 2128048, 2660060, 3325075, 4092400, 5320120, 6650150, 10640240, 13300300, 26600600, 53201200]

約数ペア:

[(1, 53201200), (2, 26600600), (4, 13300300), (5, 10640240), (8, 6650150), (10, 5320120), (13, 4092400), (16, 3325075), (20, 2660060), (25, 2128048), (26, 2046200), (40, 1330030), (50, 1064024), (52, 1023100), (65, 818480), (80, 665015), (100, 532012), (104, 511550), (130, 409240), (169, 314800), (200, 266006), (208, 255775), (260, 204620), (325, 163696), (338, 157400), (400, 133003), (520, 102310), (650, 81848), (676, 78700), (787, 67600), (845, 62960), (1040, 51155), (1300, 40924), (1352, 39350), (1574, 33800), (1690, 31480), (2600, 20462), (2704, 19675), (3148, 16900), (3380, 15740), (3935, 13520), (4225, 12592), (5200, 10231), (6296, 8450), (6760, 7870)]