40290796

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 47768084

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1559, 1846, 1988, 3118, 3692, 6236, 6461, 10913, 12922, 20267, 21826, 25844, 40534, 43652, 81068, 110689, 141869, 221378, 283738, 442756, 567476, 774823, 1438957, 1549646, 2877914, 3099292, 5755828, 10072699, 20145398, 40290796]

約数ペア:

[(1, 40290796), (2, 20145398), (4, 10072699), (7, 5755828), (13, 3099292), (14, 2877914), (26, 1549646), (28, 1438957), (52, 774823), (71, 567476), (91, 442756), (142, 283738), (182, 221378), (284, 141869), (364, 110689), (497, 81068), (923, 43652), (994, 40534), (1559, 25844), (1846, 21826), (1988, 20267), (3118, 12922), (3692, 10913), (6236, 6461)]