80649290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{8971}}^1$

素因数の和:9038

約数の個数: 32

約数和(自身を含む): 155036160

約数和(自身を除く): 74386870

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8971, 8990, 17942, 44855, 89710, 260159, 278101, 520318, 556202, 1300795, 1390505, 2601590, 2781010, 8064929, 16129858, 40324645, 80649290]

約数ペア:

[(1, 80649290), (2, 40324645), (5, 16129858), (10, 8064929), (29, 2781010), (31, 2601590), (58, 1390505), (62, 1300795), (145, 556202), (155, 520318), (290, 278101), (310, 260159), (899, 89710), (1798, 44855), (4495, 17942), (8971, 8990)]