63648940

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{2917}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 133831152

約数和(自身を除く): 70182212

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 2917, 4364, 5455, 5834, 10910, 11668, 14585, 21820, 29170, 58340, 3182447, 6364894, 12729788, 15912235, 31824470, 63648940]

約数ペア:

[(1, 63648940), (2, 31824470), (4, 15912235), (5, 12729788), (10, 6364894), (20, 3182447), (1091, 58340), (2182, 29170), (2917, 21820), (4364, 14585), (5455, 11668), (5834, 10910)]