25390520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37339}}^1$

素因数の和:37367

約数の個数: 32

約数和(自身を含む): 60490800

約数和(自身を除く): 35100280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 37339, 74678, 149356, 186695, 298712, 373390, 634763, 746780, 1269526, 1493560, 2539052, 3173815, 5078104, 6347630, 12695260, 25390520]

約数ペア:

[(1, 25390520), (2, 12695260), (4, 6347630), (5, 5078104), (8, 3173815), (10, 2539052), (17, 1493560), (20, 1269526), (34, 746780), (40, 634763), (68, 373390), (85, 298712), (136, 186695), (170, 149356), (340, 74678), (680, 37339)]