123473960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{75289}}^1$

素因数の和:75341

約数の個数: 32

約数和(自身を含む): 284596200

約数和(自身を除く): 161122240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 75289, 150578, 301156, 376445, 602312, 752890, 1505780, 3011560, 3086849, 6173698, 12347396, 15434245, 24694792, 30868490, 61736980, 123473960]

約数ペア:

[(1, 123473960), (2, 61736980), (4, 30868490), (5, 24694792), (8, 15434245), (10, 12347396), (20, 6173698), (40, 3086849), (41, 3011560), (82, 1505780), (164, 752890), (205, 602312), (328, 376445), (410, 301156), (820, 150578), (1640, 75289)]