266497400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{102499}}^1$

素因数の和:102528

約数の個数: 48

約数和(自身を含む): 667275000

約数和(自身を除く): 400777600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 102499, 204998, 409996, 512495, 819992, 1024990, 1332487, 2049980, 2562475, 2664974, 4099960, 5124950, 5329948, 6662435, 10249900, 10659896, 13324870, 20499800, 26649740, 33312175, 53299480, 66624350, 133248700, 266497400]

約数ペア:

[(1, 266497400), (2, 133248700), (4, 66624350), (5, 53299480), (8, 33312175), (10, 26649740), (13, 20499800), (20, 13324870), (25, 10659896), (26, 10249900), (40, 6662435), (50, 5329948), (52, 5124950), (65, 4099960), (100, 2664974), (104, 2562475), (130, 2049980), (200, 1332487), (260, 1024990), (325, 819992), (520, 512495), (650, 409996), (1300, 204998), (2600, 102499)]