40188208

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{37489}}^1$

素因数の和:37564

約数の個数: 20

約数和(自身を含む): 79028920

約数和(自身を除く): 38840712

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 37489, 74978, 149956, 299912, 599824, 2511763, 5023526, 10047052, 20094104, 40188208]

約数ペア:

[(1, 40188208), (2, 20094104), (4, 10047052), (8, 5023526), (16, 2511763), (67, 599824), (134, 299912), (268, 149956), (536, 74978), (1072, 37489)]