25019960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4703}}^1$

素因数の和:4740

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 42717640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 4703, 5320, 9406, 18812, 23515, 32921, 37624, 47030, 65842, 89357, 94060, 131684, 164605, 178714, 188120, 263368, 329210, 357428, 446785, 625499, 658420, 714856, 893570, 1250998, 1316840, 1787140, 2501996, 3127495, 3574280, 5003992, 6254990, 12509980, 25019960]

約数ペア:

[(1, 25019960), (2, 12509980), (4, 6254990), (5, 5003992), (7, 3574280), (8, 3127495), (10, 2501996), (14, 1787140), (19, 1316840), (20, 1250998), (28, 893570), (35, 714856), (38, 658420), (40, 625499), (56, 446785), (70, 357428), (76, 329210), (95, 263368), (133, 188120), (140, 178714), (152, 164605), (190, 131684), (266, 94060), (280, 89357), (380, 65842), (532, 47030), (665, 37624), (760, 32921), (1064, 23515), (1330, 18812), (2660, 9406), (4703, 5320)]