126858920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 295626240

約数和(自身を除く): 168767320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 515, 751, 820, 824, 1030, 1502, 1640, 2060, 3004, 3755, 4120, 4223, 6008, 7510, 8446, 15020, 16892, 21115, 30040, 30791, 33784, 42230, 61582, 77353, 84460, 123164, 153955, 154706, 168920, 246328, 307910, 309412, 386765, 615820, 618824, 773530, 1231640, 1547060, 3094120, 3171473, 6342946, 12685892, 15857365, 25371784, 31714730, 63429460, 126858920]

約数ペア:

[(1, 126858920), (2, 63429460), (4, 31714730), (5, 25371784), (8, 15857365), (10, 12685892), (20, 6342946), (40, 3171473), (41, 3094120), (82, 1547060), (103, 1231640), (164, 773530), (205, 618824), (206, 615820), (328, 386765), (410, 309412), (412, 307910), (515, 246328), (751, 168920), (820, 154706), (824, 153955), (1030, 123164), (1502, 84460), (1640, 77353), (2060, 61582), (3004, 42230), (3755, 33784), (4120, 30791), (4223, 30040), (6008, 21115), (7510, 16892), (8446, 15020)]