16210000

素因数分解:

$2^4\times 5^4\times {\mathrm{1621}}^1$

素因数の和:1649

約数の個数: 50

約数和(自身を含む): 39270242

約数和(自身を除く): 23060242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1621, 2000, 2500, 3242, 5000, 6484, 8105, 10000, 12968, 16210, 25936, 32420, 40525, 64840, 81050, 129680, 162100, 202625, 324200, 405250, 648400, 810500, 1013125, 1621000, 2026250, 3242000, 4052500, 8105000, 16210000]

約数ペア:

[(1, 16210000), (2, 8105000), (4, 4052500), (5, 3242000), (8, 2026250), (10, 1621000), (16, 1013125), (20, 810500), (25, 648400), (40, 405250), (50, 324200), (80, 202625), (100, 162100), (125, 129680), (200, 81050), (250, 64840), (400, 40525), (500, 32420), (625, 25936), (1000, 16210), (1250, 12968), (1621, 10000), (2000, 8105), (2500, 6484), (3242, 5000)]