39879880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24317}}^1$

素因数の和:24369

約数の個数: 32

約数和(自身を含む): 91922040

約数和(自身を除く): 52042160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24317, 48634, 97268, 121585, 194536, 243170, 486340, 972680, 996997, 1993994, 3987988, 4984985, 7975976, 9969970, 19939940, 39879880]

約数ペア:

[(1, 39879880), (2, 19939940), (4, 9969970), (5, 7975976), (8, 4984985), (10, 3987988), (20, 1993994), (40, 996997), (41, 972680), (82, 486340), (164, 243170), (205, 194536), (328, 121585), (410, 97268), (820, 48634), (1640, 24317)]