1962440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 4484160

約数和(自身を除く): 2521720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 691, 710, 1382, 1420, 2764, 2840, 3455, 5528, 6910, 13820, 27640, 49061, 98122, 196244, 245305, 392488, 490610, 981220, 1962440]

約数ペア:

[(1, 1962440), (2, 981220), (4, 490610), (5, 392488), (8, 245305), (10, 196244), (20, 98122), (40, 49061), (71, 27640), (142, 13820), (284, 6910), (355, 5528), (568, 3455), (691, 2840), (710, 2764), (1382, 1420)]