84470000

素因数分解:

$2^4\times 5^4\times {\mathrm{8447}}^1$

素因数の和:8475

約数の個数: 50

約数和(自身を含む): 204534528

約数和(自身を除く): 120064528

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, 8447, 10000, 16894, 33788, 42235, 67576, 84470, 135152, 168940, 211175, 337880, 422350, 675760, 844700, 1055875, 1689400, 2111750, 3378800, 4223500, 5279375, 8447000, 10558750, 16894000, 21117500, 42235000, 84470000]

約数ペア:

[(1, 84470000), (2, 42235000), (4, 21117500), (5, 16894000), (8, 10558750), (10, 8447000), (16, 5279375), (20, 4223500), (25, 3378800), (40, 2111750), (50, 1689400), (80, 1055875), (100, 844700), (125, 675760), (200, 422350), (250, 337880), (400, 211175), (500, 168940), (625, 135152), (1000, 84470), (1250, 67576), (2000, 42235), (2500, 33788), (5000, 16894), (8447, 10000)]