90843160

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13933}}^1$

素因数の和:14107

約数の個数: 32

約数和(自身を含む): 205665840

約数和(自身を除く): 114822680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13933, 27866, 55732, 69665, 111464, 139330, 278660, 557320, 2271079, 4542158, 9084316, 11355395, 18168632, 22710790, 45421580, 90843160]

約数ペア:

[(1, 90843160), (2, 45421580), (4, 22710790), (5, 18168632), (8, 11355395), (10, 9084316), (20, 4542158), (40, 2271079), (163, 557320), (326, 278660), (652, 139330), (815, 111464), (1304, 69665), (1630, 55732), (3260, 27866), (6520, 13933)]