80521750

素因数分解:

$2^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{2351}}^1$

素因数の和:2505

約数の個数: 32

約数和(自身を含む): 151901568

約数和(自身を除く): 71379818

約数列:

[1, 2, 5, 10, 25, 50, 125, 137, 250, 274, 685, 1370, 2351, 3425, 4702, 6850, 11755, 17125, 23510, 34250, 58775, 117550, 293875, 322087, 587750, 644174, 1610435, 3220870, 8052175, 16104350, 40260875, 80521750]

約数ペア:

[(1, 80521750), (2, 40260875), (5, 16104350), (10, 8052175), (25, 3220870), (50, 1610435), (125, 644174), (137, 587750), (250, 322087), (274, 293875), (685, 117550), (1370, 58775), (2351, 34250), (3425, 23510), (4702, 17125), (6850, 11755)]