1330580000

素因数分解:

$2^5\times 5^4\times {\mathrm{66529}}^1$

素因数の和:66559

約数の個数: 60

約数和(自身を含む): 3273475590

約数和(自身を除く): 1942895590

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 5000, 10000, 20000, 66529, 133058, 266116, 332645, 532232, 665290, 1064464, 1330580, 1663225, 2128928, 2661160, 3326450, 5322320, 6652900, 8316125, 10644640, 13305800, 16632250, 26611600, 33264500, 41580625, 53223200, 66529000, 83161250, 133058000, 166322500, 266116000, 332645000, 665290000, 1330580000]

約数ペア:

[(1, 1330580000), (2, 665290000), (4, 332645000), (5, 266116000), (8, 166322500), (10, 133058000), (16, 83161250), (20, 66529000), (25, 53223200), (32, 41580625), (40, 33264500), (50, 26611600), (80, 16632250), (100, 13305800), (125, 10644640), (160, 8316125), (200, 6652900), (250, 5322320), (400, 3326450), (500, 2661160), (625, 2128928), (800, 1663225), (1000, 1330580), (1250, 1064464), (2000, 665290), (2500, 532232), (4000, 332645), (5000, 266116), (10000, 133058), (20000, 66529)]