68320520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{58897}}^1$

素因数の和:58937

約数の個数: 32

約数和(自身を含む): 159024600

約数和(自身を除く): 90704080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 58897, 117794, 235588, 294485, 471176, 588970, 1177940, 1708013, 2355880, 3416026, 6832052, 8540065, 13664104, 17080130, 34160260, 68320520]

約数ペア:

[(1, 68320520), (2, 34160260), (4, 17080130), (5, 13664104), (8, 8540065), (10, 6832052), (20, 3416026), (29, 2355880), (40, 1708013), (58, 1177940), (116, 588970), (145, 471176), (232, 294485), (290, 235588), (580, 117794), (1160, 58897)]