40365728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5107}}^1$

素因数の和:5149

約数の個数: 48

約数和(自身を含む): 90105120

約数和(自身を除く): 49739392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 5107, 7904, 10214, 20428, 40856, 66391, 81712, 97033, 132782, 163424, 194066, 265564, 388132, 531128, 776264, 1062256, 1261429, 1552528, 2124512, 2522858, 3105056, 5045716, 10091432, 20182864, 40365728]

約数ペア:

[(1, 40365728), (2, 20182864), (4, 10091432), (8, 5045716), (13, 3105056), (16, 2522858), (19, 2124512), (26, 1552528), (32, 1261429), (38, 1062256), (52, 776264), (76, 531128), (104, 388132), (152, 265564), (208, 194066), (247, 163424), (304, 132782), (416, 97033), (494, 81712), (608, 66391), (988, 40856), (1976, 20428), (3952, 10214), (5107, 7904)]