81770980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{177763}}^1$

素因数の和:177795

約数の個数: 24

約数和(自身を含む): 179186112

約数和(自身を除く): 97415132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 177763, 355526, 711052, 888815, 1777630, 3555260, 4088549, 8177098, 16354196, 20442745, 40885490, 81770980]

約数ペア:

[(1, 81770980), (2, 40885490), (4, 20442745), (5, 16354196), (10, 8177098), (20, 4088549), (23, 3555260), (46, 1777630), (92, 888815), (115, 711052), (230, 355526), (460, 177763)]