1651310720

素因数分解:

$2^7\times 5^1\times {\mathrm{2580173}}^1$

素因数の和:2580192

約数の個数: 32

約数和(自身を含む): 3947666220

約数和(自身を除く): 2296355500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2580173, 5160346, 10320692, 12900865, 20641384, 25801730, 41282768, 51603460, 82565536, 103206920, 165131072, 206413840, 330262144, 412827680, 825655360, 1651310720]

約数ペア:

[(1, 1651310720), (2, 825655360), (4, 412827680), (5, 330262144), (8, 206413840), (10, 165131072), (16, 103206920), (20, 82565536), (32, 51603460), (40, 41282768), (64, 25801730), (80, 20641384), (128, 12900865), (160, 10320692), (320, 5160346), (640, 2580173)]