45195980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{25391}}^1$

素因数の和:25489

約数の個数: 24

約数和(自身を含む): 95981760

約数和(自身を除く): 50785780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 25391, 50782, 101564, 126955, 253910, 507820, 2259799, 4519598, 9039196, 11298995, 22597990, 45195980]

約数ペア:

[(1, 45195980), (2, 22597990), (4, 11298995), (5, 9039196), (10, 4519598), (20, 2259799), (89, 507820), (178, 253910), (356, 126955), (445, 101564), (890, 50782), (1780, 25391)]