200507920

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{8059}}^1$

素因数の和:8383

約数の個数: 40

約数和(自身を含む): 467737920

約数和(自身を除く): 267230000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 8059, 12440, 16118, 24880, 32236, 40295, 64472, 80590, 128944, 161180, 322360, 644720, 2506349, 5012698, 10025396, 12531745, 20050792, 25063490, 40101584, 50126980, 100253960, 200507920]

約数ペア:

[(1, 200507920), (2, 100253960), (4, 50126980), (5, 40101584), (8, 25063490), (10, 20050792), (16, 12531745), (20, 10025396), (40, 5012698), (80, 2506349), (311, 644720), (622, 322360), (1244, 161180), (1555, 128944), (2488, 80590), (3110, 64472), (4976, 40295), (6220, 32236), (8059, 24880), (12440, 16118)]