1255985693680

素因数分解:

$2^4\times 5^1\times {\mathrm{238639}}^1\times {\mathrm{65789}}^1$

素因数の和:304441

約数の個数: 40

約数和(自身を含む): 2920223361600

約数和(自身を除く): 1664237667920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 65789, 131578, 238639, 263156, 328945, 477278, 526312, 657890, 954556, 1052624, 1193195, 1315780, 1909112, 2386390, 2631560, 3818224, 4772780, 5263120, 9545560, 19091120, 15699821171, 31399642342, 62799284684, 78499105855, 125598569368, 156998211710, 251197138736, 313996423420, 627992846840, 1255985693680]

約数ペア:

[(1, 1255985693680), (2, 627992846840), (4, 313996423420), (5, 251197138736), (8, 156998211710), (10, 125598569368), (16, 78499105855), (20, 62799284684), (40, 31399642342), (80, 15699821171), (65789, 19091120), (131578, 9545560), (238639, 5263120), (263156, 4772780), (328945, 3818224), (477278, 2631560), (526312, 2386390), (657890, 1909112), (954556, 1315780), (1052624, 1193195)]