98920520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{7901}}^1$

素因数の和:8225

約数の個数: 32

約数和(自身を含む): 223310520

約数和(自身を除く): 124390000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 7901, 12520, 15802, 31604, 39505, 63208, 79010, 158020, 316040, 2473013, 4946026, 9892052, 12365065, 19784104, 24730130, 49460260, 98920520]

約数ペア:

[(1, 98920520), (2, 49460260), (4, 24730130), (5, 19784104), (8, 12365065), (10, 9892052), (20, 4946026), (40, 2473013), (313, 316040), (626, 158020), (1252, 79010), (1565, 63208), (2504, 39505), (3130, 31604), (6260, 15802), (7901, 12520)]