826940

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 1753920

約数和(自身を除く): 926980

約数列:

[1, 2, 4, 5, 10, 20, 173, 239, 346, 478, 692, 865, 956, 1195, 1730, 2390, 3460, 4780, 41347, 82694, 165388, 206735, 413470, 826940]

約数ペア:

[(1, 826940), (2, 413470), (4, 206735), (5, 165388), (10, 82694), (20, 41347), (173, 4780), (239, 3460), (346, 2390), (478, 1730), (692, 1195), (865, 956)]