124399760

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3167}}^1$

素因数の和:3671

約数の個数: 40

約数和(自身を含む): 289910016

約数和(自身を除く): 165510256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3167, 3928, 4910, 6334, 7856, 9820, 12668, 15835, 19640, 25336, 31670, 39280, 50672, 63340, 126680, 253360, 1554997, 3109994, 6219988, 7774985, 12439976, 15549970, 24879952, 31099940, 62199880, 124399760]

約数ペア:

[(1, 124399760), (2, 62199880), (4, 31099940), (5, 24879952), (8, 15549970), (10, 12439976), (16, 7774985), (20, 6219988), (40, 3109994), (80, 1554997), (491, 253360), (982, 126680), (1964, 63340), (2455, 50672), (3167, 39280), (3928, 31670), (4910, 25336), (6334, 19640), (7856, 15835), (9820, 12668)]