80969264

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 160323072

約数和(自身を除く): 79353808

約数列:

[1, 2, 4, 8, 16, 73, 146, 181, 292, 362, 383, 584, 724, 766, 1168, 1448, 1532, 2896, 3064, 6128, 13213, 26426, 27959, 52852, 55918, 69323, 105704, 111836, 138646, 211408, 223672, 277292, 447344, 554584, 1109168, 5060579, 10121158, 20242316, 40484632, 80969264]

約数ペア:

[(1, 80969264), (2, 40484632), (4, 20242316), (8, 10121158), (16, 5060579), (73, 1109168), (146, 554584), (181, 447344), (292, 277292), (362, 223672), (383, 211408), (584, 138646), (724, 111836), (766, 105704), (1168, 69323), (1448, 55918), (1532, 52852), (2896, 27959), (3064, 26426), (6128, 13213)]