17311520

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 41155128

約数和(自身を除く): 23843608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 421, 514, 842, 1028, 1285, 1684, 2056, 2105, 2570, 3368, 4112, 4210, 5140, 6736, 8224, 8420, 10280, 13472, 16840, 20560, 33680, 41120, 67360, 108197, 216394, 432788, 540985, 865576, 1081970, 1731152, 2163940, 3462304, 4327880, 8655760, 17311520]

約数ペア:

[(1, 17311520), (2, 8655760), (4, 4327880), (5, 3462304), (8, 2163940), (10, 1731152), (16, 1081970), (20, 865576), (32, 540985), (40, 432788), (80, 216394), (160, 108197), (257, 67360), (421, 41120), (514, 33680), (842, 20560), (1028, 16840), (1285, 13472), (1684, 10280), (2056, 8420), (2105, 8224), (2570, 6736), (3368, 5140), (4112, 4210)]