8239960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1823}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 18714240

約数和(自身を除く): 10474280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 1823, 2260, 3646, 4520, 7292, 9115, 14584, 18230, 36460, 72920, 205999, 411998, 823996, 1029995, 1647992, 2059990, 4119980, 8239960]

約数ペア:

[(1, 8239960), (2, 4119980), (4, 2059990), (5, 1647992), (8, 1029995), (10, 823996), (20, 411998), (40, 205999), (113, 72920), (226, 36460), (452, 18230), (565, 14584), (904, 9115), (1130, 7292), (1823, 4520), (2260, 3646)]