13000520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 32901120

約数和(自身を除く): 19900600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1087, 1196, 1495, 2174, 2392, 2990, 4348, 5435, 5980, 8696, 10870, 11960, 14131, 21740, 25001, 28262, 43480, 50002, 56524, 70655, 100004, 113048, 125005, 141310, 200008, 250010, 282620, 325013, 500020, 565240, 650026, 1000040, 1300052, 1625065, 2600104, 3250130, 6500260, 13000520]

約数ペア:

[(1, 13000520), (2, 6500260), (4, 3250130), (5, 2600104), (8, 1625065), (10, 1300052), (13, 1000040), (20, 650026), (23, 565240), (26, 500020), (40, 325013), (46, 282620), (52, 250010), (65, 200008), (92, 141310), (104, 125005), (115, 113048), (130, 100004), (184, 70655), (230, 56524), (260, 50002), (299, 43480), (460, 28262), (520, 25001), (598, 21740), (920, 14131), (1087, 11960), (1196, 10870), (1495, 8696), (2174, 5980), (2392, 5435), (2990, 4348)]