206860520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{166823}}^1$

素因数の和:166865

約数の個数: 32

約数和(自身を含む): 480453120

約数和(自身を除く): 273592600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 166823, 333646, 667292, 834115, 1334584, 1668230, 3336460, 5171513, 6672920, 10343026, 20686052, 25857565, 41372104, 51715130, 103430260, 206860520]

約数ペア:

[(1, 206860520), (2, 103430260), (4, 51715130), (5, 41372104), (8, 25857565), (10, 20686052), (20, 10343026), (31, 6672920), (40, 5171513), (62, 3336460), (124, 1668230), (155, 1334584), (248, 834115), (310, 667292), (620, 333646), (1240, 166823)]