55640800

素因数分解:

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

素因数の和:620

約数の個数: 72

約数和(自身を含む): 137006856

約数和(自身を除く): 81366056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 314, 400, 443, 628, 785, 800, 886, 1256, 1570, 1772, 2215, 2512, 3140, 3544, 3925, 4430, 5024, 6280, 7088, 7850, 8860, 11075, 12560, 14176, 15700, 17720, 22150, 25120, 31400, 35440, 44300, 62800, 69551, 70880, 88600, 125600, 139102, 177200, 278204, 347755, 354400, 556408, 695510, 1112816, 1391020, 1738775, 2225632, 2782040, 3477550, 5564080, 6955100, 11128160, 13910200, 27820400, 55640800]

約数ペア:

[(1, 55640800), (2, 27820400), (4, 13910200), (5, 11128160), (8, 6955100), (10, 5564080), (16, 3477550), (20, 2782040), (25, 2225632), (32, 1738775), (40, 1391020), (50, 1112816), (80, 695510), (100, 556408), (157, 354400), (160, 347755), (200, 278204), (314, 177200), (400, 139102), (443, 125600), (628, 88600), (785, 70880), (800, 69551), (886, 62800), (1256, 44300), (1570, 35440), (1772, 31400), (2215, 25120), (2512, 22150), (3140, 17720), (3544, 15700), (3925, 14176), (4430, 12560), (5024, 11075), (6280, 8860), (7088, 7850)]