40000072

素因数分解:

$2^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 88605360

約数和(自身を除く): 48605288

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 67, 98, 134, 196, 268, 392, 469, 536, 938, 1523, 1876, 3046, 3283, 3752, 6092, 6566, 10661, 12184, 13132, 21322, 26264, 42644, 74627, 85288, 102041, 149254, 204082, 298508, 408164, 597016, 714287, 816328, 1428574, 2857148, 5000009, 5714296, 10000018, 20000036, 40000072]

約数ペア:

[(1, 40000072), (2, 20000036), (4, 10000018), (7, 5714296), (8, 5000009), (14, 2857148), (28, 1428574), (49, 816328), (56, 714287), (67, 597016), (98, 408164), (134, 298508), (196, 204082), (268, 149254), (392, 102041), (469, 85288), (536, 74627), (938, 42644), (1523, 26264), (1876, 21322), (3046, 13132), (3283, 12184), (3752, 10661), (6092, 6566)]