26331020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 57280608

約数和(自身を除く): 30949588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 197, 205, 326, 394, 410, 652, 788, 815, 820, 985, 1630, 1970, 3260, 3940, 6683, 8077, 13366, 16154, 26732, 32111, 32308, 33415, 40385, 64222, 66830, 80770, 128444, 133660, 160555, 161540, 321110, 642220, 1316551, 2633102, 5266204, 6582755, 13165510, 26331020]

約数ペア:

[(1, 26331020), (2, 13165510), (4, 6582755), (5, 5266204), (10, 2633102), (20, 1316551), (41, 642220), (82, 321110), (163, 161540), (164, 160555), (197, 133660), (205, 128444), (326, 80770), (394, 66830), (410, 64222), (652, 40385), (788, 33415), (815, 32308), (820, 32111), (985, 26732), (1630, 16154), (1970, 13366), (3260, 8077), (3940, 6683)]