25117160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 61300800

約数和(自身を除く): 36183640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 859, 860, 1462, 1718, 1720, 2924, 3436, 3655, 4295, 5848, 6872, 7310, 8590, 14603, 14620, 17180, 29206, 29240, 34360, 36937, 58412, 73015, 73874, 116824, 146030, 147748, 184685, 292060, 295496, 369370, 584120, 627929, 738740, 1255858, 1477480, 2511716, 3139645, 5023432, 6279290, 12558580, 25117160]

約数ペア:

[(1, 25117160), (2, 12558580), (4, 6279290), (5, 5023432), (8, 3139645), (10, 2511716), (17, 1477480), (20, 1255858), (34, 738740), (40, 627929), (43, 584120), (68, 369370), (85, 295496), (86, 292060), (136, 184685), (170, 147748), (172, 146030), (215, 116824), (340, 73874), (344, 73015), (430, 58412), (680, 36937), (731, 34360), (859, 29240), (860, 29206), (1462, 17180), (1718, 14620), (1720, 14603), (2924, 8590), (3436, 7310), (3655, 6872), (4295, 5848)]