12859860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16487}}^1$

素因数の和:16512

約数の個数: 48

約数和(自身を含む): 38779776

約数和(自身を除く): 25919916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16487, 32974, 49461, 65948, 82435, 98922, 164870, 197844, 214331, 247305, 329740, 428662, 494610, 642993, 857324, 989220, 1071655, 1285986, 2143310, 2571972, 3214965, 4286620, 6429930, 12859860]

約数ペア:

[(1, 12859860), (2, 6429930), (3, 4286620), (4, 3214965), (5, 2571972), (6, 2143310), (10, 1285986), (12, 1071655), (13, 989220), (15, 857324), (20, 642993), (26, 494610), (30, 428662), (39, 329740), (52, 247305), (60, 214331), (65, 197844), (78, 164870), (130, 98922), (156, 82435), (195, 65948), (260, 49461), (390, 32974), (780, 16487)]