87245680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11243}}^1$

素因数の和:11353

約数の個数: 40

約数和(自身を含む): 204955632

約数和(自身を除く): 117709952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 11243, 22486, 44972, 56215, 89944, 112430, 179888, 224860, 449720, 899440, 1090571, 2181142, 4362284, 5452855, 8724568, 10905710, 17449136, 21811420, 43622840, 87245680]

約数ペア:

[(1, 87245680), (2, 43622840), (4, 21811420), (5, 17449136), (8, 10905710), (10, 8724568), (16, 5452855), (20, 4362284), (40, 2181142), (80, 1090571), (97, 899440), (194, 449720), (388, 224860), (485, 179888), (776, 112430), (970, 89944), (1552, 56215), (1940, 44972), (3880, 22486), (7760, 11243)]