18028045160

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1009}}^1\times {\mathrm{1061}}^1$

素因数の和:2502

約数の個数: 64

約数和(自身を含む): 40738107600

約数和(自身を除く): 22710062440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1009, 1061, 1684, 2018, 2105, 2122, 3368, 4036, 4210, 4244, 5045, 5305, 8072, 8420, 8488, 10090, 10610, 16840, 20180, 21220, 40360, 42440, 424789, 446681, 849578, 893362, 1070549, 1699156, 1786724, 2123945, 2141098, 2233405, 3398312, 3573448, 4247890, 4282196, 4466810, 5352745, 8495780, 8564392, 8933620, 10705490, 16991560, 17867240, 21410980, 42821960, 450701129, 901402258, 1802804516, 2253505645, 3605609032, 4507011290, 9014022580, 18028045160]

約数ペア:

[(1, 18028045160), (2, 9014022580), (4, 4507011290), (5, 3605609032), (8, 2253505645), (10, 1802804516), (20, 901402258), (40, 450701129), (421, 42821960), (842, 21410980), (1009, 17867240), (1061, 16991560), (1684, 10705490), (2018, 8933620), (2105, 8564392), (2122, 8495780), (3368, 5352745), (4036, 4466810), (4210, 4282196), (4244, 4247890), (5045, 3573448), (5305, 3398312), (8072, 2233405), (8420, 2141098), (8488, 2123945), (10090, 1786724), (10610, 1699156), (16840, 1070549), (20180, 893362), (21220, 849578), (40360, 446681), (42440, 424789)]