20180352725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{3271}}^1$

素因数の和:3798

約数の個数: 48

約数和(自身を含む): 27673895424

約数和(自身を除く): 7493542699

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 463, 533, 1025, 2315, 2665, 3271, 6019, 11575, 13325, 16355, 18983, 30095, 42523, 81775, 94915, 134111, 150475, 212615, 246779, 474575, 670555, 1063075, 1233895, 1514473, 1743443, 3352775, 6169475, 7572365, 8717215, 19688149, 37861825, 43586075, 62093393, 98440745, 310466965, 492203725, 807214109, 1552334825, 4036070545, 20180352725]

約数ペア:

[(1, 20180352725), (5, 4036070545), (13, 1552334825), (25, 807214109), (41, 492203725), (65, 310466965), (205, 98440745), (325, 62093393), (463, 43586075), (533, 37861825), (1025, 19688149), (2315, 8717215), (2665, 7572365), (3271, 6169475), (6019, 3352775), (11575, 1743443), (13325, 1514473), (16355, 1233895), (18983, 1063075), (30095, 670555), (42523, 474575), (81775, 246779), (94915, 212615), (134111, 150475)]