128623760

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{2389}}^1$

素因数の和:3075

約数の個数: 40

約数和(自身を含む): 299619960

約数和(自身を除く): 170996200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 2389, 2692, 3365, 4778, 5384, 6730, 9556, 10768, 11945, 13460, 19112, 23890, 26920, 38224, 47780, 53840, 95560, 191120, 1607797, 3215594, 6431188, 8038985, 12862376, 16077970, 25724752, 32155940, 64311880, 128623760]

約数ペア:

[(1, 128623760), (2, 64311880), (4, 32155940), (5, 25724752), (8, 16077970), (10, 12862376), (16, 8038985), (20, 6431188), (40, 3215594), (80, 1607797), (673, 191120), (1346, 95560), (2389, 53840), (2692, 47780), (3365, 38224), (4778, 26920), (5384, 23890), (6730, 19112), (9556, 13460), (10768, 11945)]