40142080

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2851}}^1$

素因数の和:2883

約数の個数: 72

約数和(自身を含む): 104930784

約数和(自身を除く): 64788704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 2851, 3520, 5702, 7040, 11404, 14080, 14255, 22808, 28510, 31361, 45616, 57020, 62722, 91232, 114040, 125444, 156805, 182464, 228080, 250888, 313610, 364928, 456160, 501776, 627220, 729856, 912320, 1003552, 1254440, 1824640, 2007104, 2508880, 3649280, 4014208, 5017760, 8028416, 10035520, 20071040, 40142080]

約数ペア:

[(1, 40142080), (2, 20071040), (4, 10035520), (5, 8028416), (8, 5017760), (10, 4014208), (11, 3649280), (16, 2508880), (20, 2007104), (22, 1824640), (32, 1254440), (40, 1003552), (44, 912320), (55, 729856), (64, 627220), (80, 501776), (88, 456160), (110, 364928), (128, 313610), (160, 250888), (176, 228080), (220, 182464), (256, 156805), (320, 125444), (352, 114040), (440, 91232), (640, 62722), (704, 57020), (880, 45616), (1280, 31361), (1408, 28510), (1760, 22808), (2816, 14255), (2851, 14080), (3520, 11404), (5702, 7040)]