6820840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1009}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 16634700

約数和(自身を除く): 9813860

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1009, 1352, 1690, 2018, 3380, 4036, 5045, 6760, 8072, 10090, 13117, 20180, 26234, 40360, 52468, 65585, 104936, 131170, 170521, 262340, 341042, 524680, 682084, 852605, 1364168, 1705210, 3410420, 6820840]

約数ペア:

[(1, 6820840), (2, 3410420), (4, 1705210), (5, 1364168), (8, 852605), (10, 682084), (13, 524680), (20, 341042), (26, 262340), (40, 170521), (52, 131170), (65, 104936), (104, 65585), (130, 52468), (169, 40360), (260, 26234), (338, 20180), (520, 13117), (676, 10090), (845, 8072), (1009, 6760), (1352, 5045), (1690, 4036), (2018, 3380)]