40181968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61253}}^1$

素因数の和:61302

約数の個数: 20

約数和(自身を含む): 79752708

約数和(自身を除く): 39570740

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61253, 122506, 245012, 490024, 980048, 2511373, 5022746, 10045492, 20090984, 40181968]

約数ペア:

[(1, 40181968), (2, 20090984), (4, 10045492), (8, 5022746), (16, 2511373), (41, 980048), (82, 490024), (164, 245012), (328, 122506), (656, 61253)]