8068880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 60

約数和(自身を含む): 19985700

約数和(自身を除く): 11916820

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 349, 578, 680, 698, 1156, 1360, 1396, 1445, 1745, 2312, 2792, 2890, 3490, 4624, 5584, 5780, 5933, 6980, 11560, 11866, 13960, 23120, 23732, 27920, 29665, 47464, 59330, 94928, 100861, 118660, 201722, 237320, 403444, 474640, 504305, 806888, 1008610, 1613776, 2017220, 4034440, 8068880]

約数ペア:

[(1, 8068880), (2, 4034440), (4, 2017220), (5, 1613776), (8, 1008610), (10, 806888), (16, 504305), (17, 474640), (20, 403444), (34, 237320), (40, 201722), (68, 118660), (80, 100861), (85, 94928), (136, 59330), (170, 47464), (272, 29665), (289, 27920), (340, 23732), (349, 23120), (578, 13960), (680, 11866), (698, 11560), (1156, 6980), (1360, 5933), (1396, 5780), (1445, 5584), (1745, 4624), (2312, 3490), (2792, 2890)]