8195440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 21248640

約数和(自身を除く): 13053200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 139, 176, 220, 268, 278, 335, 440, 536, 556, 670, 695, 737, 880, 1072, 1112, 1340, 1390, 1474, 1529, 2224, 2680, 2780, 2948, 3058, 3685, 5360, 5560, 5896, 6116, 7370, 7645, 9313, 11120, 11792, 12232, 14740, 15290, 18626, 24464, 29480, 30580, 37252, 46565, 58960, 61160, 74504, 93130, 102443, 122320, 149008, 186260, 204886, 372520, 409772, 512215, 745040, 819544, 1024430, 1639088, 2048860, 4097720, 8195440]

約数ペア:

[(1, 8195440), (2, 4097720), (4, 2048860), (5, 1639088), (8, 1024430), (10, 819544), (11, 745040), (16, 512215), (20, 409772), (22, 372520), (40, 204886), (44, 186260), (55, 149008), (67, 122320), (80, 102443), (88, 93130), (110, 74504), (134, 61160), (139, 58960), (176, 46565), (220, 37252), (268, 30580), (278, 29480), (335, 24464), (440, 18626), (536, 15290), (556, 14740), (670, 12232), (695, 11792), (737, 11120), (880, 9313), (1072, 7645), (1112, 7370), (1340, 6116), (1390, 5896), (1474, 5560), (1529, 5360), (2224, 3685), (2680, 3058), (2780, 2948)]