40240640

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1429}}^1$

素因数の和:1463

約数の個数: 80

約数和(自身を含む): 105328080

約数和(自身を除く): 65087440

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, 512, 640, 704, 880, 1280, 1408, 1429, 1760, 2560, 2816, 2858, 3520, 5632, 5716, 7040, 7145, 11432, 14080, 14290, 15719, 22864, 28160, 28580, 31438, 45728, 57160, 62876, 78595, 91456, 114320, 125752, 157190, 182912, 228640, 251504, 314380, 365824, 457280, 503008, 628760, 731648, 914560, 1006016, 1257520, 1829120, 2012032, 2515040, 3658240, 4024064, 5030080, 8048128, 10060160, 20120320, 40240640]

約数ペア:

[(1, 40240640), (2, 20120320), (4, 10060160), (5, 8048128), (8, 5030080), (10, 4024064), (11, 3658240), (16, 2515040), (20, 2012032), (22, 1829120), (32, 1257520), (40, 1006016), (44, 914560), (55, 731648), (64, 628760), (80, 503008), (88, 457280), (110, 365824), (128, 314380), (160, 251504), (176, 228640), (220, 182912), (256, 157190), (320, 125752), (352, 114320), (440, 91456), (512, 78595), (640, 62876), (704, 57160), (880, 45728), (1280, 31438), (1408, 28580), (1429, 28160), (1760, 22864), (2560, 15719), (2816, 14290), (2858, 14080), (3520, 11432), (5632, 7145), (5716, 7040)]