26991980

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3221}}^1$

素因数の和:3649

約数の個数: 24

約数和(自身を含む): 56836080

約数和(自身を除く): 29844100

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 3221, 4190, 6442, 8380, 12884, 16105, 32210, 64420, 1349599, 2699198, 5398396, 6747995, 13495990, 26991980]

約数ペア:

[(1, 26991980), (2, 13495990), (4, 6747995), (5, 5398396), (10, 2699198), (20, 1349599), (419, 64420), (838, 32210), (1676, 16105), (2095, 12884), (3221, 8380), (4190, 6442)]