54177320

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2113}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 122146920

約数和(自身を除く): 67969600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2113, 2564, 3205, 4226, 5128, 6410, 8452, 10565, 12820, 16904, 21130, 25640, 42260, 84520, 1354433, 2708866, 5417732, 6772165, 10835464, 13544330, 27088660, 54177320]

約数ペア:

[(1, 54177320), (2, 27088660), (4, 13544330), (5, 10835464), (8, 6772165), (10, 5417732), (20, 2708866), (40, 1354433), (641, 84520), (1282, 42260), (2113, 25640), (2564, 21130), (3205, 16904), (4226, 12820), (5128, 10565), (6410, 8452)]