10638680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 26460000

約数和(自身を除く): 15821320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 499, 520, 533, 820, 998, 1066, 1640, 1996, 2132, 2495, 2665, 3992, 4264, 4990, 5330, 6487, 9980, 10660, 12974, 19960, 20459, 21320, 25948, 32435, 40918, 51896, 64870, 81836, 102295, 129740, 163672, 204590, 259480, 265967, 409180, 531934, 818360, 1063868, 1329835, 2127736, 2659670, 5319340, 10638680]

約数ペア:

[(1, 10638680), (2, 5319340), (4, 2659670), (5, 2127736), (8, 1329835), (10, 1063868), (13, 818360), (20, 531934), (26, 409180), (40, 265967), (41, 259480), (52, 204590), (65, 163672), (82, 129740), (104, 102295), (130, 81836), (164, 64870), (205, 51896), (260, 40918), (328, 32435), (410, 25948), (499, 21320), (520, 20459), (533, 19960), (820, 12974), (998, 10660), (1066, 9980), (1640, 6487), (1996, 5330), (2132, 4990), (2495, 4264), (2665, 3992)]