40178320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5519}}^1$

素因数の和:5552

約数の個数: 80

約数和(自身を含む): 114992640

約数和(自身を除く): 74814320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5519, 7280, 11038, 22076, 27595, 38633, 44152, 55190, 71747, 77266, 88304, 110380, 143494, 154532, 193165, 220760, 286988, 309064, 358735, 386330, 441520, 502229, 573976, 618128, 717470, 772660, 1004458, 1147952, 1434940, 1545320, 2008916, 2511145, 2869880, 3090640, 4017832, 5022290, 5739760, 8035664, 10044580, 20089160, 40178320]

約数ペア:

[(1, 40178320), (2, 20089160), (4, 10044580), (5, 8035664), (7, 5739760), (8, 5022290), (10, 4017832), (13, 3090640), (14, 2869880), (16, 2511145), (20, 2008916), (26, 1545320), (28, 1434940), (35, 1147952), (40, 1004458), (52, 772660), (56, 717470), (65, 618128), (70, 573976), (80, 502229), (91, 441520), (104, 386330), (112, 358735), (130, 309064), (140, 286988), (182, 220760), (208, 193165), (260, 154532), (280, 143494), (364, 110380), (455, 88304), (520, 77266), (560, 71747), (728, 55190), (910, 44152), (1040, 38633), (1456, 27595), (1820, 22076), (3640, 11038), (5519, 7280)]