254895880

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{8623}}^1$

素因数の和:9373

約数の個数: 32

約数和(自身を含む): 574358400

約数和(自身を除く): 319462520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 8623, 14780, 17246, 29560, 34492, 43115, 68984, 86230, 172460, 344920, 6372397, 12744794, 25489588, 31861985, 50979176, 63723970, 127447940, 254895880]

約数ペア:

[(1, 254895880), (2, 127447940), (4, 63723970), (5, 50979176), (8, 31861985), (10, 25489588), (20, 12744794), (40, 6372397), (739, 344920), (1478, 172460), (2956, 86230), (3695, 68984), (5912, 43115), (7390, 34492), (8623, 29560), (14780, 17246)]