20125277725

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 30731890176

約数和(自身を除く): 10606612451

約数列:

[1, 5, 7, 23, 25, 35, 37, 115, 161, 175, 185, 259, 337, 401, 575, 805, 851, 925, 1295, 1685, 2005, 2359, 2807, 4025, 4255, 5957, 6475, 7751, 8425, 9223, 10025, 11795, 12469, 14035, 14837, 21275, 29785, 38755, 46115, 54257, 58975, 62345, 64561, 70175, 74185, 87283, 103859, 135137, 148925, 193775, 230575, 271285, 286787, 311725, 322805, 341251, 370925, 436415, 519295, 675685, 945959, 1356425, 1433935, 1614025, 1706255, 2007509, 2182075, 2388757, 2596475, 3108151, 3378425, 4729795, 5000069, 7169675, 8531275, 10037545, 11943785, 15540755, 21757057, 23648975, 25000345, 35000483, 50187725, 59718925, 77703775, 108785285, 115001587, 125001725, 175002415, 543926425, 575007935, 805011109, 875012075, 2875039675, 4025055545, 20125277725]

約数ペア:

[(1, 20125277725), (5, 4025055545), (7, 2875039675), (23, 875012075), (25, 805011109), (35, 575007935), (37, 543926425), (115, 175002415), (161, 125001725), (175, 115001587), (185, 108785285), (259, 77703775), (337, 59718925), (401, 50187725), (575, 35000483), (805, 25000345), (851, 23648975), (925, 21757057), (1295, 15540755), (1685, 11943785), (2005, 10037545), (2359, 8531275), (2807, 7169675), (4025, 5000069), (4255, 4729795), (5957, 3378425), (6475, 3108151), (7751, 2596475), (8425, 2388757), (9223, 2182075), (10025, 2007509), (11795, 1706255), (12469, 1614025), (14035, 1433935), (14837, 1356425), (21275, 945959), (29785, 675685), (38755, 519295), (46115, 436415), (54257, 370925), (58975, 341251), (62345, 322805), (64561, 311725), (70175, 286787), (74185, 271285), (87283, 230575), (103859, 193775), (135137, 148925)]