848616920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{400291}}^1$

素因数の和:400355

約数の個数: 32

約数和(自身を含む): 1945419120

約数和(自身を除く): 1096802200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 400291, 800582, 1601164, 2001455, 3202328, 4002910, 8005820, 16011640, 21215423, 42430846, 84861692, 106077115, 169723384, 212154230, 424308460, 848616920]

約数ペア:

[(1, 848616920), (2, 424308460), (4, 212154230), (5, 169723384), (8, 106077115), (10, 84861692), (20, 42430846), (40, 21215423), (53, 16011640), (106, 8005820), (212, 4002910), (265, 3202328), (424, 2001455), (530, 1601164), (1060, 800582), (2120, 400291)]