25103180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 57308160

約数和(自身を除く): 32204980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2131, 2356, 2945, 4262, 5890, 8524, 10655, 11780, 21310, 40489, 42620, 66061, 80978, 132122, 161956, 202445, 264244, 330305, 404890, 660610, 809780, 1255159, 1321220, 2510318, 5020636, 6275795, 12551590, 25103180]

約数ペア:

[(1, 25103180), (2, 12551590), (4, 6275795), (5, 5020636), (10, 2510318), (19, 1321220), (20, 1255159), (31, 809780), (38, 660610), (62, 404890), (76, 330305), (95, 264244), (124, 202445), (155, 161956), (190, 132122), (310, 80978), (380, 66061), (589, 42620), (620, 40489), (1178, 21310), (2131, 11780), (2356, 10655), (2945, 8524), (4262, 5890)]