40539460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155921}}^1$

素因数の和:155943

約数の個数: 24

約数和(自身を含む): 91682136

約数和(自身を除く): 51142676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155921, 311842, 623684, 779605, 1559210, 2026973, 3118420, 4053946, 8107892, 10134865, 20269730, 40539460]

約数ペア:

[(1, 40539460), (2, 20269730), (4, 10134865), (5, 8107892), (10, 4053946), (13, 3118420), (20, 2026973), (26, 1559210), (52, 779605), (65, 623684), (130, 311842), (260, 155921)]