31967980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{439}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 73624320

約数和(自身を除く): 41656340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 439, 662, 878, 1324, 1655, 1756, 2195, 3310, 3641, 4390, 4829, 6620, 7282, 8780, 9658, 14564, 18205, 19316, 24145, 36410, 48290, 72820, 96580, 145309, 290618, 581236, 726545, 1453090, 1598399, 2906180, 3196798, 6393596, 7991995, 15983990, 31967980]

約数ペア:

[(1, 31967980), (2, 15983990), (4, 7991995), (5, 6393596), (10, 3196798), (11, 2906180), (20, 1598399), (22, 1453090), (44, 726545), (55, 581236), (110, 290618), (220, 145309), (331, 96580), (439, 72820), (662, 48290), (878, 36410), (1324, 24145), (1655, 19316), (1756, 18205), (2195, 14564), (3310, 9658), (3641, 8780), (4390, 7282), (4829, 6620)]