31328260

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1867}}^1$

素因数の和:2715

約数の個数: 24

約数和(自身を含む): 65903040

約数和(自身を除く): 34574780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 1867, 3356, 3734, 4195, 7468, 8390, 9335, 16780, 18670, 37340, 1566413, 3132826, 6265652, 7832065, 15664130, 31328260]

約数ペア:

[(1, 31328260), (2, 15664130), (4, 7832065), (5, 6265652), (10, 3132826), (20, 1566413), (839, 37340), (1678, 18670), (1867, 16780), (3356, 9335), (3734, 8390), (4195, 7468)]