82910000

素因数分解:

$2^4\times 5^4\times {\mathrm{8291}}^1$

素因数の和:8319

約数の個数: 50

約数和(自身を含む): 200757612

約数和(自身を除く): 117847612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 8291, 10000, 16582, 33164, 41455, 66328, 82910, 132656, 165820, 207275, 331640, 414550, 663280, 829100, 1036375, 1658200, 2072750, 3316400, 4145500, 5181875, 8291000, 10363750, 16582000, 20727500, 41455000, 82910000]

約数ペア:

[(1, 82910000), (2, 41455000), (4, 20727500), (5, 16582000), (8, 10363750), (10, 8291000), (16, 5181875), (20, 4145500), (25, 3316400), (40, 2072750), (50, 1658200), (80, 1036375), (100, 829100), (125, 663280), (200, 414550), (250, 331640), (400, 207275), (500, 165820), (625, 132656), (1000, 82910), (1250, 66328), (2000, 41455), (2500, 33164), (5000, 16582), (8291, 10000)]