25550980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 67173120

約数和(自身を除く): 41622140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 101, 130, 139, 140, 182, 202, 260, 278, 364, 404, 455, 505, 556, 695, 707, 910, 973, 1010, 1313, 1390, 1414, 1807, 1820, 1946, 2020, 2626, 2780, 2828, 3535, 3614, 3892, 4865, 5252, 6565, 7070, 7228, 9035, 9191, 9730, 12649, 13130, 14039, 14140, 18070, 18382, 19460, 25298, 26260, 28078, 36140, 36764, 45955, 50596, 56156, 63245, 70195, 91910, 98273, 126490, 140390, 182507, 183820, 196546, 252980, 280780, 365014, 393092, 491365, 730028, 912535, 982730, 1277549, 1825070, 1965460, 2555098, 3650140, 5110196, 6387745, 12775490, 25550980]

約数ペア:

[(1, 25550980), (2, 12775490), (4, 6387745), (5, 5110196), (7, 3650140), (10, 2555098), (13, 1965460), (14, 1825070), (20, 1277549), (26, 982730), (28, 912535), (35, 730028), (52, 491365), (65, 393092), (70, 365014), (91, 280780), (101, 252980), (130, 196546), (139, 183820), (140, 182507), (182, 140390), (202, 126490), (260, 98273), (278, 91910), (364, 70195), (404, 63245), (455, 56156), (505, 50596), (556, 45955), (695, 36764), (707, 36140), (910, 28078), (973, 26260), (1010, 25298), (1313, 19460), (1390, 18382), (1414, 18070), (1807, 14140), (1820, 14039), (1946, 13130), (2020, 12649), (2626, 9730), (2780, 9191), (2828, 9035), (3535, 7228), (3614, 7070), (3892, 6565), (4865, 5252)]