82654360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 192780000

約数和(自身を除く): 110125640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 410, 499, 505, 808, 820, 998, 1010, 1640, 1996, 2020, 2495, 3992, 4040, 4141, 4990, 8282, 9980, 16564, 19960, 20459, 20705, 33128, 40918, 41410, 50399, 81836, 82820, 100798, 102295, 163672, 165640, 201596, 204590, 251995, 403192, 409180, 503990, 818360, 1007980, 2015960, 2066359, 4132718, 8265436, 10331795, 16530872, 20663590, 41327180, 82654360]

約数ペア:

[(1, 82654360), (2, 41327180), (4, 20663590), (5, 16530872), (8, 10331795), (10, 8265436), (20, 4132718), (40, 2066359), (41, 2015960), (82, 1007980), (101, 818360), (164, 503990), (202, 409180), (205, 403192), (328, 251995), (404, 204590), (410, 201596), (499, 165640), (505, 163672), (808, 102295), (820, 100798), (998, 82820), (1010, 81836), (1640, 50399), (1996, 41410), (2020, 40918), (2495, 33128), (3992, 20705), (4040, 20459), (4141, 19960), (4990, 16564), (8282, 9980)]