25719720

素因数分解:

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

素因数の和:16514

約数の個数: 64

約数和(自身を含む): 83099520

約数和(自身を除く): 57379800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16487, 32974, 49461, 65948, 82435, 98922, 131896, 164870, 197844, 214331, 247305, 329740, 395688, 428662, 494610, 642993, 659480, 857324, 989220, 1071655, 1285986, 1714648, 1978440, 2143310, 2571972, 3214965, 4286620, 5143944, 6429930, 8573240, 12859860, 25719720]

約数ペア:

[(1, 25719720), (2, 12859860), (3, 8573240), (4, 6429930), (5, 5143944), (6, 4286620), (8, 3214965), (10, 2571972), (12, 2143310), (13, 1978440), (15, 1714648), (20, 1285986), (24, 1071655), (26, 989220), (30, 857324), (39, 659480), (40, 642993), (52, 494610), (60, 428662), (65, 395688), (78, 329740), (104, 247305), (120, 214331), (130, 197844), (156, 164870), (195, 131896), (260, 98922), (312, 82435), (390, 65948), (520, 49461), (780, 32974), (1560, 16487)]