31219240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60037}}^1$

素因数の和:60061

約数の個数: 32

約数和(自身を含む): 75647880

約数和(自身を除く): 44428640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60037, 120074, 240148, 300185, 480296, 600370, 780481, 1200740, 1560962, 2401480, 3121924, 3902405, 6243848, 7804810, 15609620, 31219240]

約数ペア:

[(1, 31219240), (2, 15609620), (4, 7804810), (5, 6243848), (8, 3902405), (10, 3121924), (13, 2401480), (20, 1560962), (26, 1200740), (40, 780481), (52, 600370), (65, 480296), (104, 300185), (130, 240148), (260, 120074), (520, 60037)]