51101960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 143942400

約数和(自身を除く): 92840440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 101, 104, 130, 139, 140, 182, 202, 260, 278, 280, 364, 404, 455, 505, 520, 556, 695, 707, 728, 808, 910, 973, 1010, 1112, 1313, 1390, 1414, 1807, 1820, 1946, 2020, 2626, 2780, 2828, 3535, 3614, 3640, 3892, 4040, 4865, 5252, 5560, 5656, 6565, 7070, 7228, 7784, 9035, 9191, 9730, 10504, 12649, 13130, 14039, 14140, 14456, 18070, 18382, 19460, 25298, 26260, 28078, 28280, 36140, 36764, 38920, 45955, 50596, 52520, 56156, 63245, 70195, 72280, 73528, 91910, 98273, 101192, 112312, 126490, 140390, 182507, 183820, 196546, 252980, 280780, 365014, 367640, 393092, 491365, 505960, 561560, 730028, 786184, 912535, 982730, 1277549, 1460056, 1825070, 1965460, 2555098, 3650140, 3930920, 5110196, 6387745, 7300280, 10220392, 12775490, 25550980, 51101960]

約数ペア:

[(1, 51101960), (2, 25550980), (4, 12775490), (5, 10220392), (7, 7300280), (8, 6387745), (10, 5110196), (13, 3930920), (14, 3650140), (20, 2555098), (26, 1965460), (28, 1825070), (35, 1460056), (40, 1277549), (52, 982730), (56, 912535), (65, 786184), (70, 730028), (91, 561560), (101, 505960), (104, 491365), (130, 393092), (139, 367640), (140, 365014), (182, 280780), (202, 252980), (260, 196546), (278, 183820), (280, 182507), (364, 140390), (404, 126490), (455, 112312), (505, 101192), (520, 98273), (556, 91910), (695, 73528), (707, 72280), (728, 70195), (808, 63245), (910, 56156), (973, 52520), (1010, 50596), (1112, 45955), (1313, 38920), (1390, 36764), (1414, 36140), (1807, 28280), (1820, 28078), (1946, 26260), (2020, 25298), (2626, 19460), (2780, 18382), (2828, 18070), (3535, 14456), (3614, 14140), (3640, 14039), (3892, 13130), (4040, 12649), (4865, 10504), (5252, 9730), (5560, 9191), (5656, 9035), (6565, 7784), (7070, 7228)]