64071940

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{3259}}^1$

素因数の和:4251

約数の個数: 24

約数和(自身を含む): 134729280

約数和(自身を除く): 70657340

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3259, 3932, 4915, 6518, 9830, 13036, 16295, 19660, 32590, 65180, 3203597, 6407194, 12814388, 16017985, 32035970, 64071940]

約数ペア:

[(1, 64071940), (2, 32035970), (4, 16017985), (5, 12814388), (10, 6407194), (20, 3203597), (983, 65180), (1966, 32590), (3259, 19660), (3932, 16295), (4915, 13036), (6518, 9830)]