806571880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{2011}}^1$

素因数の和:2330

約数の個数: 64

約数和(自身を含む): 1871642880

約数和(自身を除く): 1065071000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 271, 296, 370, 542, 740, 1084, 1355, 1480, 2011, 2168, 2710, 4022, 5420, 8044, 10027, 10055, 10840, 16088, 20054, 20110, 40108, 40220, 50135, 74407, 80216, 80440, 100270, 148814, 200540, 297628, 372035, 401080, 544981, 595256, 744070, 1089962, 1488140, 2179924, 2724905, 2976280, 4359848, 5449810, 10899620, 20164297, 21799240, 40328594, 80657188, 100821485, 161314376, 201642970, 403285940, 806571880]

約数ペア:

[(1, 806571880), (2, 403285940), (4, 201642970), (5, 161314376), (8, 100821485), (10, 80657188), (20, 40328594), (37, 21799240), (40, 20164297), (74, 10899620), (148, 5449810), (185, 4359848), (271, 2976280), (296, 2724905), (370, 2179924), (542, 1488140), (740, 1089962), (1084, 744070), (1355, 595256), (1480, 544981), (2011, 401080), (2168, 372035), (2710, 297628), (4022, 200540), (5420, 148814), (8044, 100270), (10027, 80440), (10055, 80216), (10840, 74407), (16088, 50135), (20054, 40220), (20110, 40108)]