88777720

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5297}}^1$

素因数の和:5727

約数の個数: 32

約数和(自身を含む): 200264400

約数和(自身を除く): 111486680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 5297, 8380, 10594, 16760, 21188, 26485, 42376, 52970, 105940, 211880, 2219443, 4438886, 8877772, 11097215, 17755544, 22194430, 44388860, 88777720]

約数ペア:

[(1, 88777720), (2, 44388860), (4, 22194430), (5, 17755544), (8, 11097215), (10, 8877772), (20, 4438886), (40, 2219443), (419, 211880), (838, 105940), (1676, 52970), (2095, 42376), (3352, 26485), (4190, 21188), (5297, 16760), (8380, 10594)]