40042690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2986

約数の個数: 32

約数和(自身を含む): 76936320

約数和(自身を除く): 36893630

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 2887, 5774, 6935, 13870, 14435, 28870, 54853, 109706, 210751, 274265, 421502, 548530, 1053755, 2107510, 4004269, 8008538, 20021345, 40042690]

約数ペア:

[(1, 40042690), (2, 20021345), (5, 8008538), (10, 4004269), (19, 2107510), (38, 1053755), (73, 548530), (95, 421502), (146, 274265), (190, 210751), (365, 109706), (730, 54853), (1387, 28870), (2774, 14435), (2887, 13870), (5774, 6935)]