2051207990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{5387}}^1$

素因数の和:5537

約数の個数: 64

約数和(自身を含む): 4154794560

約数和(自身を除く): 2103586570

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 101, 130, 145, 202, 290, 377, 505, 754, 1010, 1313, 1885, 2626, 2929, 3770, 5387, 5858, 6565, 10774, 13130, 14645, 26935, 29290, 38077, 53870, 70031, 76154, 140062, 156223, 190385, 312446, 350155, 380770, 544087, 700310, 781115, 1088174, 1562230, 2030899, 2720435, 4061798, 5440870, 7073131, 10154495, 14146262, 15778523, 20308990, 31557046, 35365655, 70731310, 78892615, 157785230, 205120799, 410241598, 1025603995, 2051207990]

約数ペア:

[(1, 2051207990), (2, 1025603995), (5, 410241598), (10, 205120799), (13, 157785230), (26, 78892615), (29, 70731310), (58, 35365655), (65, 31557046), (101, 20308990), (130, 15778523), (145, 14146262), (202, 10154495), (290, 7073131), (377, 5440870), (505, 4061798), (754, 2720435), (1010, 2030899), (1313, 1562230), (1885, 1088174), (2626, 781115), (2929, 700310), (3770, 544087), (5387, 380770), (5858, 350155), (6565, 312446), (10774, 190385), (13130, 156223), (14645, 140062), (26935, 76154), (29290, 70031), (38077, 53870)]