20125600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2287}}^1$

素因数の和:2318

約数の個数: 72

約数和(自身を含む): 53621568

約数和(自身を除く): 33495968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2287, 4400, 4574, 8800, 9148, 11435, 18296, 22870, 25157, 36592, 45740, 50314, 57175, 73184, 91480, 100628, 114350, 125785, 182960, 201256, 228700, 251570, 365920, 402512, 457400, 503140, 628925, 805024, 914800, 1006280, 1257850, 1829600, 2012560, 2515700, 4025120, 5031400, 10062800, 20125600]

約数ペア:

[(1, 20125600), (2, 10062800), (4, 5031400), (5, 4025120), (8, 2515700), (10, 2012560), (11, 1829600), (16, 1257850), (20, 1006280), (22, 914800), (25, 805024), (32, 628925), (40, 503140), (44, 457400), (50, 402512), (55, 365920), (80, 251570), (88, 228700), (100, 201256), (110, 182960), (160, 125785), (176, 114350), (200, 100628), (220, 91480), (275, 73184), (352, 57175), (400, 50314), (440, 45740), (550, 36592), (800, 25157), (880, 22870), (1100, 18296), (1760, 11435), (2200, 9148), (2287, 8800), (4400, 4574)]