2490800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:510

約数の個数: 60

約数和(自身を含む): 6457920

約数和(自身を除く): 3967120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 479, 520, 650, 958, 1040, 1300, 1916, 2395, 2600, 3832, 4790, 5200, 6227, 7664, 9580, 11975, 12454, 19160, 23950, 24908, 31135, 38320, 47900, 49816, 62270, 95800, 99632, 124540, 155675, 191600, 249080, 311350, 498160, 622700, 1245400, 2490800]

約数ペア:

[(1, 2490800), (2, 1245400), (4, 622700), (5, 498160), (8, 311350), (10, 249080), (13, 191600), (16, 155675), (20, 124540), (25, 99632), (26, 95800), (40, 62270), (50, 49816), (52, 47900), (65, 38320), (80, 31135), (100, 24908), (104, 23950), (130, 19160), (200, 12454), (208, 11975), (260, 9580), (325, 7664), (400, 6227), (479, 5200), (520, 4790), (650, 3832), (958, 2600), (1040, 2395), (1300, 1916)]