99355580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{81439}}^1$

素因数の和:81509

約数の個数: 24

約数和(自身を含む): 212069760

約数和(自身を除く): 112714180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 81439, 162878, 325756, 407195, 814390, 1628780, 4967779, 9935558, 19871116, 24838895, 49677790, 99355580]

約数ペア:

[(1, 99355580), (2, 49677790), (4, 24838895), (5, 19871116), (10, 9935558), (20, 4967779), (61, 1628780), (122, 814390), (244, 407195), (305, 325756), (610, 162878), (1220, 81439)]