28628680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42101}}^1$

素因数の和:42129

約数の個数: 32

約数和(自身を含む): 68205240

約数和(自身を除く): 39576560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42101, 84202, 168404, 210505, 336808, 421010, 715717, 842020, 1431434, 1684040, 2862868, 3578585, 5725736, 7157170, 14314340, 28628680]

約数ペア:

[(1, 28628680), (2, 14314340), (4, 7157170), (5, 5725736), (8, 3578585), (10, 2862868), (17, 1684040), (20, 1431434), (34, 842020), (40, 715717), (68, 421010), (85, 336808), (136, 210505), (170, 168404), (340, 84202), (680, 42101)]