40000005

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13267}}^1$

素因数の和:13345

約数の個数: 24

約数和(自身を含む): 70373472

約数和(自身を除く): 30373467

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 13267, 39801, 66335, 119403, 199005, 597015, 888889, 2666667, 4444445, 8000001, 13333335, 40000005]

約数ペア:

[(1, 40000005), (3, 13333335), (5, 8000001), (9, 4444445), (15, 2666667), (45, 888889), (67, 597015), (201, 199005), (335, 119403), (603, 66335), (1005, 39801), (3015, 13267)]