4421680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2909}}^1$

素因数の和:2941

約数の個数: 40

約数和(自身を含む): 10825200

約数和(自身を除く): 6403520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2909, 5818, 11636, 14545, 23272, 29090, 46544, 55271, 58180, 110542, 116360, 221084, 232720, 276355, 442168, 552710, 884336, 1105420, 2210840, 4421680]

約数ペア:

[(1, 4421680), (2, 2210840), (4, 1105420), (5, 884336), (8, 552710), (10, 442168), (16, 276355), (19, 232720), (20, 221084), (38, 116360), (40, 110542), (76, 58180), (80, 55271), (95, 46544), (152, 29090), (190, 23272), (304, 14545), (380, 11636), (760, 5818), (1520, 2909)]