51193840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9013}}^1$

素因数の和:9097

約数の個数: 40

約数和(自身を含む): 120715488

約数和(自身を除く): 69521648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9013, 18026, 36052, 45065, 72104, 90130, 144208, 180260, 360520, 639923, 721040, 1279846, 2559692, 3199615, 5119384, 6399230, 10238768, 12798460, 25596920, 51193840]

約数ペア:

[(1, 51193840), (2, 25596920), (4, 12798460), (5, 10238768), (8, 6399230), (10, 5119384), (16, 3199615), (20, 2559692), (40, 1279846), (71, 721040), (80, 639923), (142, 360520), (284, 180260), (355, 144208), (568, 90130), (710, 72104), (1136, 45065), (1420, 36052), (2840, 18026), (5680, 9013)]