40436864

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1325

約数の個数: 64

約数和(自身を含む): 91392000

約数和(自身を除く): 50955136

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1279, 1664, 1976, 2432, 2558, 3952, 5116, 7904, 10232, 15808, 16627, 20464, 24301, 31616, 33254, 40928, 48602, 66508, 81856, 97204, 133016, 163712, 194408, 266032, 315913, 388816, 532064, 631826, 777632, 1064128, 1263652, 1555264, 2128256, 2527304, 3110528, 5054608, 10109216, 20218432, 40436864]

約数ペア:

[(1, 40436864), (2, 20218432), (4, 10109216), (8, 5054608), (13, 3110528), (16, 2527304), (19, 2128256), (26, 1555264), (32, 1263652), (38, 1064128), (52, 777632), (64, 631826), (76, 532064), (104, 388816), (128, 315913), (152, 266032), (208, 194408), (247, 163712), (304, 133016), (416, 97204), (494, 81856), (608, 66508), (832, 48602), (988, 40928), (1216, 33254), (1279, 31616), (1664, 24301), (1976, 20464), (2432, 16627), (2558, 15808), (3952, 10232), (5116, 7904)]