31900760

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1097}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 71940960

約数和(自身を除く): 40040200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1097, 1454, 2194, 2908, 3635, 4388, 5485, 5816, 7270, 8776, 10970, 14540, 21940, 29080, 43880, 797519, 1595038, 3190076, 3987595, 6380152, 7975190, 15950380, 31900760]

約数ペア:

[(1, 31900760), (2, 15950380), (4, 7975190), (5, 6380152), (8, 3987595), (10, 3190076), (20, 1595038), (40, 797519), (727, 43880), (1097, 29080), (1454, 21940), (2194, 14540), (2908, 10970), (3635, 8776), (4388, 7270), (5485, 5816)]