80991872

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{48673}}^1$

素因数の和:48700

約数の個数: 32

約数和(自身を含む): 173766180

約数和(自身を除く): 92774308

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 48673, 97346, 194692, 389384, 632749, 778768, 1265498, 1557536, 2530996, 3115072, 5061992, 6230144, 10123984, 20247968, 40495936, 80991872]

約数ペア:

[(1, 80991872), (2, 40495936), (4, 20247968), (8, 10123984), (13, 6230144), (16, 5061992), (26, 3115072), (32, 2530996), (52, 1557536), (64, 1265498), (104, 778768), (128, 632749), (208, 389384), (416, 194692), (832, 97346), (1664, 48673)]