520078390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{4861}}^1$

素因数の和:5704

約数の個数: 32

約数和(自身を含む): 1009584576

約数和(自身を除く): 489506186

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 823, 1646, 4115, 4861, 8230, 9722, 10699, 21398, 24305, 48610, 53495, 63193, 106990, 126386, 315965, 631930, 4000603, 8001206, 20003015, 40006030, 52007839, 104015678, 260039195, 520078390]

約数ペア:

[(1, 520078390), (2, 260039195), (5, 104015678), (10, 52007839), (13, 40006030), (26, 20003015), (65, 8001206), (130, 4000603), (823, 631930), (1646, 315965), (4115, 126386), (4861, 106990), (8230, 63193), (9722, 53495), (10699, 48610), (21398, 24305)]