80211428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20483}}^1$

素因数の和:20587

約数の個数: 24

約数和(自身を含む): 154859040

約数和(自身を除く): 74647612

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 20483, 40966, 81932, 225313, 450626, 901252, 1822987, 3645974, 7291948, 20052857, 40105714, 80211428]

約数ペア:

[(1, 80211428), (2, 40105714), (4, 20052857), (11, 7291948), (22, 3645974), (44, 1822987), (89, 901252), (178, 450626), (356, 225313), (979, 81932), (1958, 40966), (3916, 20483)]