25630640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1294

約数の個数: 80

約数和(自身を含む): 70001472

約数和(自身を除く): 44370832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1237, 1295, 1480, 2072, 2474, 2590, 2960, 4144, 4948, 5180, 6185, 8659, 9896, 10360, 12370, 17318, 19792, 20720, 24740, 34636, 43295, 45769, 49480, 69272, 86590, 91538, 98960, 138544, 173180, 183076, 228845, 320383, 346360, 366152, 457690, 640766, 692720, 732304, 915380, 1281532, 1601915, 1830760, 2563064, 3203830, 3661520, 5126128, 6407660, 12815320, 25630640]

約数ペア:

[(1, 25630640), (2, 12815320), (4, 6407660), (5, 5126128), (7, 3661520), (8, 3203830), (10, 2563064), (14, 1830760), (16, 1601915), (20, 1281532), (28, 915380), (35, 732304), (37, 692720), (40, 640766), (56, 457690), (70, 366152), (74, 346360), (80, 320383), (112, 228845), (140, 183076), (148, 173180), (185, 138544), (259, 98960), (280, 91538), (296, 86590), (370, 69272), (518, 49480), (560, 45769), (592, 43295), (740, 34636), (1036, 24740), (1237, 20720), (1295, 19792), (1480, 17318), (2072, 12370), (2474, 10360), (2590, 9896), (2960, 8659), (4144, 6185), (4948, 5180)]