26679940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 64512000

約数和(自身を除く): 37832060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1279, 1490, 2086, 2558, 2980, 4172, 5116, 5215, 6395, 8953, 10430, 12790, 17906, 20860, 25580, 35812, 44765, 89530, 179060, 190571, 381142, 762284, 952855, 1333997, 1905710, 2667994, 3811420, 5335988, 6669985, 13339970, 26679940]

約数ペア:

[(1, 26679940), (2, 13339970), (4, 6669985), (5, 5335988), (7, 3811420), (10, 2667994), (14, 1905710), (20, 1333997), (28, 952855), (35, 762284), (70, 381142), (140, 190571), (149, 179060), (298, 89530), (596, 44765), (745, 35812), (1043, 25580), (1279, 20860), (1490, 17906), (2086, 12790), (2558, 10430), (2980, 8953), (4172, 6395), (5116, 5215)]