8614640

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:689

約数の個数: 40

約数和(自身を含む): 20154960

約数和(自身を除く): 11540320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 419, 514, 838, 1028, 1285, 1676, 2056, 2095, 2570, 3352, 4112, 4190, 5140, 6704, 8380, 10280, 16760, 20560, 33520, 107683, 215366, 430732, 538415, 861464, 1076830, 1722928, 2153660, 4307320, 8614640]

約数ペア:

[(1, 8614640), (2, 4307320), (4, 2153660), (5, 1722928), (8, 1076830), (10, 861464), (16, 538415), (20, 430732), (40, 215366), (80, 107683), (257, 33520), (419, 20560), (514, 16760), (838, 10280), (1028, 8380), (1285, 6704), (1676, 5140), (2056, 4190), (2095, 4112), (2570, 3352)]