42206540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26713}}^1$

素因数の和:26801

約数の個数: 24

約数和(自身を含む): 89759040

約数和(自身を除く): 47552500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26713, 53426, 106852, 133565, 267130, 534260, 2110327, 4220654, 8441308, 10551635, 21103270, 42206540]

約数ペア:

[(1, 42206540), (2, 21103270), (4, 10551635), (5, 8441308), (10, 4220654), (20, 2110327), (79, 534260), (158, 267130), (316, 133565), (395, 106852), (790, 53426), (1580, 26713)]