13499720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1997}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 32907060

約数和(自身を除く): 19407340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 1997, 3380, 3994, 6760, 7988, 9985, 15976, 19970, 25961, 39940, 51922, 79880, 103844, 129805, 207688, 259610, 337493, 519220, 674986, 1038440, 1349972, 1687465, 2699944, 3374930, 6749860, 13499720]

約数ペア:

[(1, 13499720), (2, 6749860), (4, 3374930), (5, 2699944), (8, 1687465), (10, 1349972), (13, 1038440), (20, 674986), (26, 519220), (40, 337493), (52, 259610), (65, 207688), (104, 129805), (130, 103844), (169, 79880), (260, 51922), (338, 39940), (520, 25961), (676, 19970), (845, 15976), (1352, 9985), (1690, 7988), (1997, 6760), (3380, 3994)]