13465640

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1483}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 30451680

約数和(自身を除く): 16986040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1483, 1816, 2270, 2966, 4540, 5932, 7415, 9080, 11864, 14830, 29660, 59320, 336641, 673282, 1346564, 1683205, 2693128, 3366410, 6732820, 13465640]

約数ペア:

[(1, 13465640), (2, 6732820), (4, 3366410), (5, 2693128), (8, 1683205), (10, 1346564), (20, 673282), (40, 336641), (227, 59320), (454, 29660), (908, 14830), (1135, 11864), (1483, 9080), (1816, 7415), (2270, 5932), (2966, 4540)]