40020736

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 95364864

約数和(自身を除く): 55344128

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 644, 736, 896, 971, 1288, 1472, 1792, 1942, 2576, 2944, 3884, 5152, 5888, 6797, 7768, 10304, 13594, 15536, 20608, 22333, 27188, 31072, 41216, 44666, 54376, 62144, 89332, 108752, 124288, 156331, 178664, 217504, 248576, 312662, 357328, 435008, 625324, 714656, 870016, 1250648, 1429312, 1740032, 2501296, 2858624, 5002592, 5717248, 10005184, 20010368, 40020736]

約数ペア:

[(1, 40020736), (2, 20010368), (4, 10005184), (7, 5717248), (8, 5002592), (14, 2858624), (16, 2501296), (23, 1740032), (28, 1429312), (32, 1250648), (46, 870016), (56, 714656), (64, 625324), (92, 435008), (112, 357328), (128, 312662), (161, 248576), (184, 217504), (224, 178664), (256, 156331), (322, 124288), (368, 108752), (448, 89332), (644, 62144), (736, 54376), (896, 44666), (971, 41216), (1288, 31072), (1472, 27188), (1792, 22333), (1942, 20608), (2576, 15536), (2944, 13594), (3884, 10304), (5152, 7768), (5888, 6797)]