25413700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 60261768

約数和(自身を除く): 34848068

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 113, 130, 173, 226, 260, 325, 346, 452, 565, 650, 692, 865, 1130, 1300, 1469, 1730, 2249, 2260, 2825, 2938, 3460, 4325, 4498, 5650, 5876, 7345, 8650, 8996, 11245, 11300, 14690, 17300, 19549, 22490, 29380, 36725, 39098, 44980, 56225, 73450, 78196, 97745, 112450, 146900, 195490, 224900, 254137, 390980, 488725, 508274, 977450, 1016548, 1270685, 1954900, 2541370, 5082740, 6353425, 12706850, 25413700]

約数ペア:

[(1, 25413700), (2, 12706850), (4, 6353425), (5, 5082740), (10, 2541370), (13, 1954900), (20, 1270685), (25, 1016548), (26, 977450), (50, 508274), (52, 488725), (65, 390980), (100, 254137), (113, 224900), (130, 195490), (173, 146900), (226, 112450), (260, 97745), (325, 78196), (346, 73450), (452, 56225), (565, 44980), (650, 39098), (692, 36725), (865, 29380), (1130, 22490), (1300, 19549), (1469, 17300), (1730, 14690), (2249, 11300), (2260, 11245), (2825, 8996), (2938, 8650), (3460, 7345), (4325, 5876), (4498, 5650)]