71987980

素因数分解:

$2^2\times 5^1\times {\mathrm{1567}}^1\times {\mathrm{2297}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 151337088

約数和(自身を除く): 79349108

約数列:

[1, 2, 4, 5, 10, 20, 1567, 2297, 3134, 4594, 6268, 7835, 9188, 11485, 15670, 22970, 31340, 45940, 3599399, 7198798, 14397596, 17996995, 35993990, 71987980]

約数ペア:

[(1, 71987980), (2, 35993990), (4, 17996995), (5, 14397596), (10, 7198798), (20, 3599399), (1567, 45940), (2297, 31340), (3134, 22970), (4594, 15670), (6268, 11485), (7835, 9188)]