7786480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7487}}^1$

素因数の和:7513

約数の個数: 40

約数和(自身を含む): 19498752

約数和(自身を除く): 11712272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7487, 14974, 29948, 37435, 59896, 74870, 97331, 119792, 149740, 194662, 299480, 389324, 486655, 598960, 778648, 973310, 1557296, 1946620, 3893240, 7786480]

約数ペア:

[(1, 7786480), (2, 3893240), (4, 1946620), (5, 1557296), (8, 973310), (10, 778648), (13, 598960), (16, 486655), (20, 389324), (26, 299480), (40, 194662), (52, 149740), (65, 119792), (80, 97331), (104, 74870), (130, 59896), (208, 37435), (260, 29948), (520, 14974), (1040, 7487)]