2764840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 6752700

約数和(自身を除く): 3987860

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 409, 520, 676, 818, 845, 1352, 1636, 1690, 2045, 3272, 3380, 4090, 5317, 6760, 8180, 10634, 16360, 21268, 26585, 42536, 53170, 69121, 106340, 138242, 212680, 276484, 345605, 552968, 691210, 1382420, 2764840]

約数ペア:

[(1, 2764840), (2, 1382420), (4, 691210), (5, 552968), (8, 345605), (10, 276484), (13, 212680), (20, 138242), (26, 106340), (40, 69121), (52, 53170), (65, 42536), (104, 26585), (130, 21268), (169, 16360), (260, 10634), (338, 8180), (409, 6760), (520, 5317), (676, 4090), (818, 3380), (845, 3272), (1352, 2045), (1636, 1690)]