80047940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13297}}^1$

素因数の和:13356

約数の個数: 48

約数和(自身を含む): 196597632

約数和(自身を除く): 116549692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 13297, 26594, 53188, 66485, 93079, 132970, 186158, 265940, 372316, 465395, 571771, 930790, 1143542, 1861580, 2287084, 2858855, 4002397, 5717710, 8004794, 11435420, 16009588, 20011985, 40023970, 80047940]

約数ペア:

[(1, 80047940), (2, 40023970), (4, 20011985), (5, 16009588), (7, 11435420), (10, 8004794), (14, 5717710), (20, 4002397), (28, 2858855), (35, 2287084), (43, 1861580), (70, 1143542), (86, 930790), (140, 571771), (172, 465395), (215, 372316), (301, 265940), (430, 186158), (602, 132970), (860, 93079), (1204, 66485), (1505, 53188), (3010, 26594), (6020, 13297)]