63964520

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1811}}^1$

素因数の和:2705

約数の個数: 32

約数和(自身を含む): 144162720

約数和(自身を除く): 80198200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 1811, 3532, 3622, 4415, 7064, 7244, 8830, 9055, 14488, 17660, 18110, 35320, 36220, 72440, 1599113, 3198226, 6396452, 7995565, 12792904, 15991130, 31982260, 63964520]

約数ペア:

[(1, 63964520), (2, 31982260), (4, 15991130), (5, 12792904), (8, 7995565), (10, 6396452), (20, 3198226), (40, 1599113), (883, 72440), (1766, 36220), (1811, 35320), (3532, 18110), (3622, 17660), (4415, 14488), (7064, 9055), (7244, 8830)]