15399020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8461}}^1$

素因数の和:8490

約数の個数: 48

約数和(自身を含む): 39805248

約数和(自身を除く): 24406228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8461, 16922, 33844, 42305, 59227, 84610, 109993, 118454, 169220, 219986, 236908, 296135, 439972, 549965, 592270, 769951, 1099930, 1184540, 1539902, 2199860, 3079804, 3849755, 7699510, 15399020]

約数ペア:

[(1, 15399020), (2, 7699510), (4, 3849755), (5, 3079804), (7, 2199860), (10, 1539902), (13, 1184540), (14, 1099930), (20, 769951), (26, 592270), (28, 549965), (35, 439972), (52, 296135), (65, 236908), (70, 219986), (91, 169220), (130, 118454), (140, 109993), (182, 84610), (260, 59227), (364, 42305), (455, 33844), (910, 16922), (1820, 8461)]