12812840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 31708800

約数和(自身を除く): 18895960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 733, 760, 874, 920, 1466, 1748, 2185, 2932, 3496, 3665, 4370, 5864, 7330, 8740, 13927, 14660, 16859, 17480, 27854, 29320, 33718, 55708, 67436, 69635, 84295, 111416, 134872, 139270, 168590, 278540, 320321, 337180, 557080, 640642, 674360, 1281284, 1601605, 2562568, 3203210, 6406420, 12812840]

約数ペア:

[(1, 12812840), (2, 6406420), (4, 3203210), (5, 2562568), (8, 1601605), (10, 1281284), (19, 674360), (20, 640642), (23, 557080), (38, 337180), (40, 320321), (46, 278540), (76, 168590), (92, 139270), (95, 134872), (115, 111416), (152, 84295), (184, 69635), (190, 67436), (230, 55708), (380, 33718), (437, 29320), (460, 27854), (733, 17480), (760, 16859), (874, 14660), (920, 13927), (1466, 8740), (1748, 7330), (2185, 5864), (2932, 4370), (3496, 3665)]