88819760

素因数分解:

$2^4\times 5^1\times {\mathrm{1110247}}^1$

素因数の和:1110260

約数の個数: 20

約数和(自身を含む): 206506128

約数和(自身を除く): 117686368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1110247, 2220494, 4440988, 5551235, 8881976, 11102470, 17763952, 22204940, 44409880, 88819760]

約数ペア:

[(1, 88819760), (2, 44409880), (4, 22204940), (5, 17763952), (8, 11102470), (10, 8881976), (16, 5551235), (20, 4440988), (40, 2220494), (80, 1110247)]