28359080

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3917}}^1$

素因数の和:4109

約数の個数: 32

約数和(自身を含む): 64176840

約数和(自身を除く): 35817760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 3917, 7240, 7834, 15668, 19585, 31336, 39170, 78340, 156680, 708977, 1417954, 2835908, 3544885, 5671816, 7089770, 14179540, 28359080]

約数ペア:

[(1, 28359080), (2, 14179540), (4, 7089770), (5, 5671816), (8, 3544885), (10, 2835908), (20, 1417954), (40, 708977), (181, 156680), (362, 78340), (724, 39170), (905, 31336), (1448, 19585), (1810, 15668), (3620, 7834), (3917, 7240)]