71367880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43517}}^1$

素因数の和:43569

約数の個数: 32

約数和(自身を含む): 164498040

約数和(自身を除く): 93130160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 43517, 87034, 174068, 217585, 348136, 435170, 870340, 1740680, 1784197, 3568394, 7136788, 8920985, 14273576, 17841970, 35683940, 71367880]

約数ペア:

[(1, 71367880), (2, 35683940), (4, 17841970), (5, 14273576), (8, 8920985), (10, 7136788), (20, 3568394), (40, 1784197), (41, 1740680), (82, 870340), (164, 435170), (205, 348136), (328, 217585), (410, 174068), (820, 87034), (1640, 43517)]