89359760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{159571}}^1$

素因数の和:159591

約数の個数: 40

約数和(自身を含む): 237443136

約数和(自身を除く): 148083376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 159571, 319142, 638284, 797855, 1116997, 1276568, 1595710, 2233994, 2553136, 3191420, 4467988, 5584985, 6382840, 8935976, 11169970, 12765680, 17871952, 22339940, 44679880, 89359760]

約数ペア:

[(1, 89359760), (2, 44679880), (4, 22339940), (5, 17871952), (7, 12765680), (8, 11169970), (10, 8935976), (14, 6382840), (16, 5584985), (20, 4467988), (28, 3191420), (35, 2553136), (40, 2233994), (56, 1595710), (70, 1276568), (80, 1116997), (112, 797855), (140, 638284), (280, 319142), (560, 159571)]