42652640

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{991}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 101243520

約数和(自身を除く): 58590880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 991, 1076, 1345, 1982, 2152, 2690, 3964, 4304, 4955, 5380, 7928, 8608, 9910, 10760, 15856, 19820, 21520, 31712, 39640, 43040, 79280, 158560, 266579, 533158, 1066316, 1332895, 2132632, 2665790, 4265264, 5331580, 8530528, 10663160, 21326320, 42652640]

約数ペア:

[(1, 42652640), (2, 21326320), (4, 10663160), (5, 8530528), (8, 5331580), (10, 4265264), (16, 2665790), (20, 2132632), (32, 1332895), (40, 1066316), (80, 533158), (160, 266579), (269, 158560), (538, 79280), (991, 43040), (1076, 39640), (1345, 31712), (1982, 21520), (2152, 19820), (2690, 15856), (3964, 10760), (4304, 9910), (4955, 8608), (5380, 7928)]