40960240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 100761408

約数和(自身を除く): 59801168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 113, 115, 184, 197, 226, 230, 368, 394, 452, 460, 565, 788, 904, 920, 985, 1130, 1576, 1808, 1840, 1970, 2260, 2599, 3152, 3940, 4520, 4531, 5198, 7880, 9040, 9062, 10396, 12995, 15760, 18124, 20792, 22261, 22655, 25990, 36248, 41584, 44522, 45310, 51980, 72496, 89044, 90620, 103960, 111305, 178088, 181240, 207920, 222610, 356176, 362480, 445220, 512003, 890440, 1024006, 1780880, 2048012, 2560015, 4096024, 5120030, 8192048, 10240060, 20480120, 40960240]

約数ペア:

[(1, 40960240), (2, 20480120), (4, 10240060), (5, 8192048), (8, 5120030), (10, 4096024), (16, 2560015), (20, 2048012), (23, 1780880), (40, 1024006), (46, 890440), (80, 512003), (92, 445220), (113, 362480), (115, 356176), (184, 222610), (197, 207920), (226, 181240), (230, 178088), (368, 111305), (394, 103960), (452, 90620), (460, 89044), (565, 72496), (788, 51980), (904, 45310), (920, 44522), (985, 41584), (1130, 36248), (1576, 25990), (1808, 22655), (1840, 22261), (1970, 20792), (2260, 18124), (2599, 15760), (3152, 12995), (3940, 10396), (4520, 9062), (4531, 9040), (5198, 7880)]