71222320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68483}}^1$

素因数の和:68509

約数の個数: 40

約数和(自身を含む): 178332336

約数和(自身を除く): 107110016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68483, 136966, 273932, 342415, 547864, 684830, 890279, 1095728, 1369660, 1780558, 2739320, 3561116, 4451395, 5478640, 7122232, 8902790, 14244464, 17805580, 35611160, 71222320]

約数ペア:

[(1, 71222320), (2, 35611160), (4, 17805580), (5, 14244464), (8, 8902790), (10, 7122232), (13, 5478640), (16, 4451395), (20, 3561116), (26, 2739320), (40, 1780558), (52, 1369660), (65, 1095728), (80, 890279), (104, 684830), (130, 547864), (208, 342415), (260, 273932), (520, 136966), (1040, 68483)]