6484000

素因数分解:

$2^5\times 5^3\times {\mathrm{1621}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 15941016

約数和(自身を除く): 9457016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1621, 2000, 3242, 4000, 6484, 8105, 12968, 16210, 25936, 32420, 40525, 51872, 64840, 81050, 129680, 162100, 202625, 259360, 324200, 405250, 648400, 810500, 1296800, 1621000, 3242000, 6484000]

約数ペア:

[(1, 6484000), (2, 3242000), (4, 1621000), (5, 1296800), (8, 810500), (10, 648400), (16, 405250), (20, 324200), (25, 259360), (32, 202625), (40, 162100), (50, 129680), (80, 81050), (100, 64840), (125, 51872), (160, 40525), (200, 32420), (250, 25936), (400, 16210), (500, 12968), (800, 8105), (1000, 6484), (1621, 4000), (2000, 3242)]