9978580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 22042944

約数和(自身を除く): 12064364

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 283, 410, 430, 566, 820, 860, 1132, 1415, 1763, 2830, 3526, 5660, 7052, 8815, 11603, 12169, 17630, 23206, 24338, 35260, 46412, 48676, 58015, 60845, 116030, 121690, 232060, 243380, 498929, 997858, 1995716, 2494645, 4989290, 9978580]

約数ペア:

[(1, 9978580), (2, 4989290), (4, 2494645), (5, 1995716), (10, 997858), (20, 498929), (41, 243380), (43, 232060), (82, 121690), (86, 116030), (164, 60845), (172, 58015), (205, 48676), (215, 46412), (283, 35260), (410, 24338), (430, 23206), (566, 17630), (820, 12169), (860, 11603), (1132, 8815), (1415, 7052), (1763, 5660), (2830, 3526)]