2040781535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{3929}}^1$

素因数の和:4139

約数の個数: 32

約数和(自身を含む): 2701702080

約数和(自身を除く): 660920545

約数列:

[1, 5, 13, 61, 65, 131, 305, 655, 793, 1703, 3929, 3965, 7991, 8515, 19645, 39955, 51077, 103883, 239669, 255385, 514699, 519415, 1198345, 2573495, 3115697, 6691087, 15578485, 31396639, 33455435, 156983195, 408156307, 2040781535]

約数ペア:

[(1, 2040781535), (5, 408156307), (13, 156983195), (61, 33455435), (65, 31396639), (131, 15578485), (305, 6691087), (655, 3115697), (793, 2573495), (1703, 1198345), (3929, 519415), (3965, 514699), (7991, 255385), (8515, 239669), (19645, 103883), (39955, 51077)]