40286768

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{18379}}^1$

素因数の和:18524

約数の個数: 20

約数和(自身を含む): 78629640

約数和(自身を除く): 38342872

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 18379, 36758, 73516, 147032, 294064, 2517923, 5035846, 10071692, 20143384, 40286768]

約数ペア:

[(1, 40286768), (2, 20143384), (4, 10071692), (8, 5035846), (16, 2517923), (137, 294064), (274, 147032), (548, 73516), (1096, 36758), (2192, 18379)]