27820400

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:618

約数の個数: 60

約数和(自身を含む): 67416072

約数和(自身を除く): 39595672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 443, 628, 785, 886, 1256, 1570, 1772, 2215, 2512, 3140, 3544, 3925, 4430, 6280, 7088, 7850, 8860, 11075, 12560, 15700, 17720, 22150, 31400, 35440, 44300, 62800, 69551, 88600, 139102, 177200, 278204, 347755, 556408, 695510, 1112816, 1391020, 1738775, 2782040, 3477550, 5564080, 6955100, 13910200, 27820400]

約数ペア:

[(1, 27820400), (2, 13910200), (4, 6955100), (5, 5564080), (8, 3477550), (10, 2782040), (16, 1738775), (20, 1391020), (25, 1112816), (40, 695510), (50, 556408), (80, 347755), (100, 278204), (157, 177200), (200, 139102), (314, 88600), (400, 69551), (443, 62800), (628, 44300), (785, 35440), (886, 31400), (1256, 22150), (1570, 17720), (1772, 15700), (2215, 12560), (2512, 11075), (3140, 8860), (3544, 7850), (3925, 7088), (4430, 6280)]