64840250

素因数分解:

$2^1\times 5^3\times {\mathrm{419}}^1\times {\mathrm{619}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 121867200

約数和(自身を除く): 57026950

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 419, 619, 838, 1238, 2095, 3095, 4190, 6190, 10475, 15475, 20950, 30950, 52375, 77375, 104750, 154750, 259361, 518722, 1296805, 2593610, 6484025, 12968050, 32420125, 64840250]

約数ペア:

[(1, 64840250), (2, 32420125), (5, 12968050), (10, 6484025), (25, 2593610), (50, 1296805), (125, 518722), (250, 259361), (419, 154750), (619, 104750), (838, 77375), (1238, 52375), (2095, 30950), (3095, 20950), (4190, 15475), (6190, 10475)]