79070000

素因数分解:

$2^4\times 5^4\times {\mathrm{7907}}^1$

素因数の和:7935

約数の個数: 50

約数和(自身を含む): 191460588

約数和(自身を除く): 112390588

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, 7907, 10000, 15814, 31628, 39535, 63256, 79070, 126512, 158140, 197675, 316280, 395350, 632560, 790700, 988375, 1581400, 1976750, 3162800, 3953500, 4941875, 7907000, 9883750, 15814000, 19767500, 39535000, 79070000]

約数ペア:

[(1, 79070000), (2, 39535000), (4, 19767500), (5, 15814000), (8, 9883750), (10, 7907000), (16, 4941875), (20, 3953500), (25, 3162800), (40, 1976750), (50, 1581400), (80, 988375), (100, 790700), (125, 632560), (200, 395350), (250, 316280), (400, 197675), (500, 158140), (625, 126512), (1000, 79070), (1250, 63256), (2000, 39535), (2500, 31628), (5000, 15814), (7907, 10000)]