40654000

素因数分解:

$2^4\times 5^3\times {\mathrm{20327}}^1$

素因数の和:20350

約数の個数: 40

約数和(自身を含む): 98306208

約数和(自身を除く): 57652208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 20327, 40654, 81308, 101635, 162616, 203270, 325232, 406540, 508175, 813080, 1016350, 1626160, 2032700, 2540875, 4065400, 5081750, 8130800, 10163500, 20327000, 40654000]

約数ペア:

[(1, 40654000), (2, 20327000), (4, 10163500), (5, 8130800), (8, 5081750), (10, 4065400), (16, 2540875), (20, 2032700), (25, 1626160), (40, 1016350), (50, 813080), (80, 508175), (100, 406540), (125, 325232), (200, 203270), (250, 162616), (400, 101635), (500, 81308), (1000, 40654), (2000, 20327)]