40739456

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{10267}}^1$

素因数の和:10312

約数の個数: 32

約数和(自身を含む): 83786880

約数和(自身を除く): 43047424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 10267, 20534, 41068, 82136, 164272, 318277, 328544, 636554, 657088, 1273108, 1314176, 2546216, 5092432, 10184864, 20369728, 40739456]

約数ペア:

[(1, 40739456), (2, 20369728), (4, 10184864), (8, 5092432), (16, 2546216), (31, 1314176), (32, 1273108), (62, 657088), (64, 636554), (124, 328544), (128, 318277), (248, 164272), (496, 82136), (992, 41068), (1984, 20534), (3968, 10267)]