25199405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 40711680

約数和(自身を除く): 15512275

約数列:

[1, 5, 7, 11, 29, 35, 37, 55, 61, 77, 145, 185, 203, 259, 305, 319, 385, 407, 427, 671, 1015, 1073, 1295, 1595, 1769, 2035, 2135, 2233, 2257, 2849, 3355, 4697, 5365, 7511, 8845, 11165, 11285, 11803, 12383, 14245, 15799, 19459, 23485, 24827, 37555, 59015, 61915, 65453, 78995, 82621, 97295, 124135, 136213, 173789, 327265, 413105, 458171, 681065, 719983, 868945, 2290855, 3599915, 5039881, 25199405]

約数ペア:

[(1, 25199405), (5, 5039881), (7, 3599915), (11, 2290855), (29, 868945), (35, 719983), (37, 681065), (55, 458171), (61, 413105), (77, 327265), (145, 173789), (185, 136213), (203, 124135), (259, 97295), (305, 82621), (319, 78995), (385, 65453), (407, 61915), (427, 59015), (671, 37555), (1015, 24827), (1073, 23485), (1295, 19459), (1595, 15799), (1769, 14245), (2035, 12383), (2135, 11803), (2233, 11285), (2257, 11165), (2849, 8845), (3355, 7511), (4697, 5365)]