208076720

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{4243}}^1$

素因数の和:4869

約数の個数: 40

約数和(自身を含む): 484681776

約数和(自身を除く): 276605056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1226, 2452, 3065, 4243, 4904, 6130, 8486, 9808, 12260, 16972, 21215, 24520, 33944, 42430, 49040, 67888, 84860, 169720, 339440, 2600959, 5201918, 10403836, 13004795, 20807672, 26009590, 41615344, 52019180, 104038360, 208076720]

約数ペア:

[(1, 208076720), (2, 104038360), (4, 52019180), (5, 41615344), (8, 26009590), (10, 20807672), (16, 13004795), (20, 10403836), (40, 5201918), (80, 2600959), (613, 339440), (1226, 169720), (2452, 84860), (3065, 67888), (4243, 49040), (4904, 42430), (6130, 33944), (8486, 24520), (9808, 21215), (12260, 16972)]