31982840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8243}}^1$

素因数の和:8351

約数の個数: 32

約数和(自身を含む): 72712080

約数和(自身を除く): 40729240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 8243, 16486, 32972, 41215, 65944, 82430, 164860, 329720, 799571, 1599142, 3198284, 3997855, 6396568, 7995710, 15991420, 31982840]

約数ペア:

[(1, 31982840), (2, 15991420), (4, 7995710), (5, 6396568), (8, 3997855), (10, 3198284), (20, 1599142), (40, 799571), (97, 329720), (194, 164860), (388, 82430), (485, 65944), (776, 41215), (970, 32972), (1940, 16486), (3880, 8243)]