211036880

素因数分解:

$2^4\times 5^1\times {\mathrm{2637961}}^1$

素因数の和:2637974

約数の個数: 20

約数和(自身を含む): 490660932

約数和(自身を除く): 279624052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2637961, 5275922, 10551844, 13189805, 21103688, 26379610, 42207376, 52759220, 105518440, 211036880]

約数ペア:

[(1, 211036880), (2, 105518440), (4, 52759220), (5, 42207376), (8, 26379610), (10, 21103688), (16, 13189805), (20, 10551844), (40, 5275922), (80, 2637961)]