1682200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 4218480

約数和(自身を除く): 2536280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 647, 650, 1294, 1300, 2588, 2600, 3235, 5176, 6470, 8411, 12940, 16175, 16822, 25880, 32350, 33644, 42055, 64700, 67288, 84110, 129400, 168220, 210275, 336440, 420550, 841100, 1682200]

約数ペア:

[(1, 1682200), (2, 841100), (4, 420550), (5, 336440), (8, 210275), (10, 168220), (13, 129400), (20, 84110), (25, 67288), (26, 64700), (40, 42055), (50, 33644), (52, 32350), (65, 25880), (100, 16822), (104, 16175), (130, 12940), (200, 8411), (260, 6470), (325, 5176), (520, 3235), (647, 2600), (650, 2588), (1294, 1300)]