498160

素因数分解:

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

素因数の和:505

約数の個数: 40

約数和(自身を含む): 1249920

約数和(自身を除く): 751760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 479, 520, 958, 1040, 1916, 2395, 3832, 4790, 6227, 7664, 9580, 12454, 19160, 24908, 31135, 38320, 49816, 62270, 99632, 124540, 249080, 498160]

約数ペア:

[(1, 498160), (2, 249080), (4, 124540), (5, 99632), (8, 62270), (10, 49816), (13, 38320), (16, 31135), (20, 24908), (26, 19160), (40, 12454), (52, 9580), (65, 7664), (80, 6227), (104, 4790), (130, 3832), (208, 2395), (260, 1916), (479, 1040), (520, 958)]