31228860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40037}}^1$

素因数の和:40062

約数の個数: 48

約数和(自身を含む): 94169376

約数和(自身を除く): 62940516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40037, 80074, 120111, 160148, 200185, 240222, 400370, 480444, 520481, 600555, 800740, 1040962, 1201110, 1561443, 2081924, 2402220, 2602405, 3122886, 5204810, 6245772, 7807215, 10409620, 15614430, 31228860]

約数ペア:

[(1, 31228860), (2, 15614430), (3, 10409620), (4, 7807215), (5, 6245772), (6, 5204810), (10, 3122886), (12, 2602405), (13, 2402220), (15, 2081924), (20, 1561443), (26, 1201110), (30, 1040962), (39, 800740), (52, 600555), (60, 520481), (65, 480444), (78, 400370), (130, 240222), (156, 200185), (195, 160148), (260, 120111), (390, 80074), (780, 40037)]