71090060

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{8443}}^1$

素因数の和:8873

約数の個数: 24

約数和(自身を含む): 149661456

約数和(自身を除く): 78571396

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 8443, 16886, 33772, 42215, 84430, 168860, 3554503, 7109006, 14218012, 17772515, 35545030, 71090060]

約数ペア:

[(1, 71090060), (2, 35545030), (4, 17772515), (5, 14218012), (10, 7109006), (20, 3554503), (421, 168860), (842, 84430), (1684, 42215), (2105, 33772), (4210, 16886), (8420, 8443)]