71028520

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{2011}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 160074720

約数和(自身を除く): 89046200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 2011, 3532, 4022, 4415, 7064, 8044, 8830, 10055, 16088, 17660, 20110, 35320, 40220, 80440, 1775713, 3551426, 7102852, 8878565, 14205704, 17757130, 35514260, 71028520]

約数ペア:

[(1, 71028520), (2, 35514260), (4, 17757130), (5, 14205704), (8, 8878565), (10, 7102852), (20, 3551426), (40, 1775713), (883, 80440), (1766, 40220), (2011, 35320), (3532, 20110), (4022, 17660), (4415, 16088), (7064, 10055), (8044, 8830)]