80211570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86249}}^1$

素因数の和:86290

約数の個数: 32

約数和(自身を含む): 198720000

約数和(自身を除く): 118508430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 86249, 172498, 258747, 431245, 517494, 862490, 1293735, 2587470, 2673719, 5347438, 8021157, 13368595, 16042314, 26737190, 40105785, 80211570]

約数ペア:

[(1, 80211570), (2, 40105785), (3, 26737190), (5, 16042314), (6, 13368595), (10, 8021157), (15, 5347438), (30, 2673719), (31, 2587470), (62, 1293735), (93, 862490), (155, 517494), (186, 431245), (310, 258747), (465, 172498), (930, 86249)]