987696560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{301127}}^1$

素因数の和:301181

約数の個数: 40

約数和(自身を含む): 2352411936

約数和(自身を除く): 1364715376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 301127, 602254, 1204508, 1505635, 2409016, 3011270, 4818032, 6022540, 12045080, 12346207, 24090160, 24692414, 49384828, 61731035, 98769656, 123462070, 197539312, 246924140, 493848280, 987696560]

約数ペア:

[(1, 987696560), (2, 493848280), (4, 246924140), (5, 197539312), (8, 123462070), (10, 98769656), (16, 61731035), (20, 49384828), (40, 24692414), (41, 24090160), (80, 12346207), (82, 12045080), (164, 6022540), (205, 4818032), (328, 3011270), (410, 2409016), (656, 1505635), (820, 1204508), (1640, 602254), (3280, 301127)]