12319640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6553}}^1$

素因数の和:6611

約数の個数: 32

約数和(自身を含む): 28313280

約数和(自身を除く): 15993640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6553, 13106, 26212, 32765, 52424, 65530, 131060, 262120, 307991, 615982, 1231964, 1539955, 2463928, 3079910, 6159820, 12319640]

約数ペア:

[(1, 12319640), (2, 6159820), (4, 3079910), (5, 2463928), (8, 1539955), (10, 1231964), (20, 615982), (40, 307991), (47, 262120), (94, 131060), (188, 65530), (235, 52424), (376, 32765), (470, 26212), (940, 13106), (1880, 6553)]