240161960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193679}}^1$

素因数の和:193721

約数の個数: 32

約数和(自身を含む): 557798400

約数和(自身を除く): 317636440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 193679, 387358, 774716, 968395, 1549432, 1936790, 3873580, 6004049, 7747160, 12008098, 24016196, 30020245, 48032392, 60040490, 120080980, 240161960]

約数ペア:

[(1, 240161960), (2, 120080980), (4, 60040490), (5, 48032392), (8, 30020245), (10, 24016196), (20, 12008098), (31, 7747160), (40, 6004049), (62, 3873580), (124, 1936790), (155, 1549432), (248, 968395), (310, 774716), (620, 387358), (1240, 193679)]