3893240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7487}}^1$

素因数の和:7511

約数の個数: 32

約数和(自身を含む): 9434880

約数和(自身を除く): 5541640

約数列:

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

約数ペア:

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