1666600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 4179420

約数和(自身を除く): 2512820

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 641, 650, 1282, 1300, 2564, 2600, 3205, 5128, 6410, 8333, 12820, 16025, 16666, 25640, 32050, 33332, 41665, 64100, 66664, 83330, 128200, 166660, 208325, 333320, 416650, 833300, 1666600]

約数ペア:

[(1, 1666600), (2, 833300), (4, 416650), (5, 333320), (8, 208325), (10, 166660), (13, 128200), (20, 83330), (25, 66664), (26, 64100), (40, 41665), (50, 33332), (52, 32050), (65, 25640), (100, 16666), (104, 16025), (130, 12820), (200, 8333), (260, 6410), (325, 5128), (520, 3205), (641, 2600), (650, 2564), (1282, 1300)]