40528336

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61781}}^1$

素因数の和:61830

約数の個数: 20

約数和(自身を含む): 80440164

約数和(自身を除く): 39911828

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61781, 123562, 247124, 494248, 988496, 2533021, 5066042, 10132084, 20264168, 40528336]

約数ペア:

[(1, 40528336), (2, 20264168), (4, 10132084), (8, 5066042), (16, 2533021), (41, 988496), (82, 494248), (164, 247124), (328, 123562), (656, 61781)]