40985728

素因数分解:

$2^7\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 94248000

約数和(自身を除く): 53262272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 224, 298, 307, 448, 596, 614, 896, 1043, 1192, 1228, 2086, 2149, 2384, 2456, 4172, 4298, 4768, 4912, 8344, 8596, 9536, 9824, 16688, 17192, 19072, 19648, 33376, 34384, 39296, 45743, 66752, 68768, 91486, 133504, 137536, 182972, 275072, 320201, 365944, 640402, 731888, 1280804, 1463776, 2561608, 2927552, 5123216, 5855104, 10246432, 20492864, 40985728]

約数ペア:

[(1, 40985728), (2, 20492864), (4, 10246432), (7, 5855104), (8, 5123216), (14, 2927552), (16, 2561608), (28, 1463776), (32, 1280804), (56, 731888), (64, 640402), (112, 365944), (128, 320201), (149, 275072), (224, 182972), (298, 137536), (307, 133504), (448, 91486), (596, 68768), (614, 66752), (896, 45743), (1043, 39296), (1192, 34384), (1228, 33376), (2086, 19648), (2149, 19072), (2384, 17192), (2456, 16688), (4172, 9824), (4298, 9536), (4768, 8596), (4912, 8344)]