2020148800

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{17783}}^1$

素因数の和:17876

約数の個数: 84

約数和(自身を含む): 5041123776

約数和(自身を除く): 3020974976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 142, 160, 200, 284, 320, 355, 400, 568, 710, 800, 1136, 1420, 1600, 1775, 2272, 2840, 3550, 4544, 5680, 7100, 11360, 14200, 17783, 22720, 28400, 35566, 56800, 71132, 88915, 113600, 142264, 177830, 284528, 355660, 444575, 569056, 711320, 889150, 1138112, 1262593, 1422640, 1778300, 2525186, 2845280, 3556600, 5050372, 5690560, 6312965, 7113200, 10100744, 12625930, 14226400, 20201488, 25251860, 28452800, 31564825, 40402976, 50503720, 63129650, 80805952, 101007440, 126259300, 202014880, 252518600, 404029760, 505037200, 1010074400, 2020148800]

約数ペア:

[(1, 2020148800), (2, 1010074400), (4, 505037200), (5, 404029760), (8, 252518600), (10, 202014880), (16, 126259300), (20, 101007440), (25, 80805952), (32, 63129650), (40, 50503720), (50, 40402976), (64, 31564825), (71, 28452800), (80, 25251860), (100, 20201488), (142, 14226400), (160, 12625930), (200, 10100744), (284, 7113200), (320, 6312965), (355, 5690560), (400, 5050372), (568, 3556600), (710, 2845280), (800, 2525186), (1136, 1778300), (1420, 1422640), (1600, 1262593), (1775, 1138112), (2272, 889150), (2840, 711320), (3550, 569056), (4544, 444575), (5680, 355660), (7100, 284528), (11360, 177830), (14200, 142264), (17783, 113600), (22720, 88915), (28400, 71132), (35566, 56800)]