320133008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{3571}}^1$

素因数の和:4023

約数の個数: 40

約数和(自身を含む): 669707136

約数和(自身を除く): 349574128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431, 862, 1724, 3448, 3571, 5603, 6896, 7142, 11206, 14284, 22412, 28568, 44824, 46423, 57136, 89648, 92846, 185692, 371384, 742768, 1539101, 3078202, 6156404, 12312808, 20008313, 24625616, 40016626, 80033252, 160066504, 320133008]

約数ペア:

[(1, 320133008), (2, 160066504), (4, 80033252), (8, 40016626), (13, 24625616), (16, 20008313), (26, 12312808), (52, 6156404), (104, 3078202), (208, 1539101), (431, 742768), (862, 371384), (1724, 185692), (3448, 92846), (3571, 89648), (5603, 57136), (6896, 46423), (7142, 44824), (11206, 28568), (14284, 22412)]