108678520

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{11969}}^1$

素因数の和:12207

約数の個数: 32

約数和(自身を含む): 245624400

約数和(自身を除く): 136945880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 11969, 23938, 47876, 59845, 95752, 119690, 239380, 478760, 2716963, 5433926, 10867852, 13584815, 21735704, 27169630, 54339260, 108678520]

約数ペア:

[(1, 108678520), (2, 54339260), (4, 27169630), (5, 21735704), (8, 13584815), (10, 10867852), (20, 5433926), (40, 2716963), (227, 478760), (454, 239380), (908, 119690), (1135, 95752), (1816, 59845), (2270, 47876), (4540, 23938), (9080, 11969)]