2690180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 5832960

約数和(自身を除く): 3142780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4339, 8678, 17356, 21695, 43390, 86780, 134509, 269018, 538036, 672545, 1345090, 2690180]

約数ペア:

[(1, 2690180), (2, 1345090), (4, 672545), (5, 538036), (10, 269018), (20, 134509), (31, 86780), (62, 43390), (124, 21695), (155, 17356), (310, 8678), (620, 4339)]