156925215640

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{3990977}}^1$

素因数の和:3991971

約数の個数: 32

約数和(自身を含む): 353441011680

約数和(自身を除く): 196515796040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3932, 4915, 7864, 9830, 19660, 39320, 3990977, 7981954, 15963908, 19954885, 31927816, 39909770, 79819540, 159639080, 3923130391, 7846260782, 15692521564, 19615651955, 31385043128, 39231303910, 78462607820, 156925215640]

約数ペア:

[(1, 156925215640), (2, 78462607820), (4, 39231303910), (5, 31385043128), (8, 19615651955), (10, 15692521564), (20, 7846260782), (40, 3923130391), (983, 159639080), (1966, 79819540), (3932, 39909770), (4915, 31927816), (7864, 19954885), (9830, 15963908), (19660, 7981954), (39320, 3990977)]