40464520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10429}}^1$

素因数の和:10537

約数の個数: 32

約数和(自身を含む): 91992600

約数和(自身を除く): 51528080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 10429, 20858, 41716, 52145, 83432, 104290, 208580, 417160, 1011613, 2023226, 4046452, 5058065, 8092904, 10116130, 20232260, 40464520]

約数ペア:

[(1, 40464520), (2, 20232260), (4, 10116130), (5, 8092904), (8, 5058065), (10, 4046452), (20, 2023226), (40, 1011613), (97, 417160), (194, 208580), (388, 104290), (485, 83432), (776, 52145), (970, 41716), (1940, 20858), (3880, 10429)]