28621340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11827}}^1$

素因数の和:11858

約数の個数: 36

約数和(自身を含む): 66071208

約数和(自身を除く): 37449868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11827, 23654, 47308, 59135, 118270, 130097, 236540, 260194, 520388, 650485, 1300970, 1431067, 2601940, 2862134, 5724268, 7155335, 14310670, 28621340]

約数ペア:

[(1, 28621340), (2, 14310670), (4, 7155335), (5, 5724268), (10, 2862134), (11, 2601940), (20, 1431067), (22, 1300970), (44, 650485), (55, 520388), (110, 260194), (121, 236540), (220, 130097), (242, 118270), (484, 59135), (605, 47308), (1210, 23654), (2420, 11827)]