54402820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 119968128

約数和(自身を除く): 65565308

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 521, 908, 1042, 1135, 2084, 2270, 2605, 4540, 5210, 5221, 10420, 10442, 11983, 20884, 23966, 26105, 47932, 52210, 59915, 104420, 118267, 119830, 236534, 239660, 473068, 591335, 1182670, 2365340, 2720141, 5440282, 10880564, 13600705, 27201410, 54402820]

約数ペア:

[(1, 54402820), (2, 27201410), (4, 13600705), (5, 10880564), (10, 5440282), (20, 2720141), (23, 2365340), (46, 1182670), (92, 591335), (115, 473068), (227, 239660), (230, 236534), (454, 119830), (460, 118267), (521, 104420), (908, 59915), (1042, 52210), (1135, 47932), (2084, 26105), (2270, 23966), (2605, 20884), (4540, 11983), (5210, 10442), (5221, 10420)]