66076420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 144584496

約数和(自身を除く): 78508076

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 1321, 2501, 2642, 5002, 5284, 6605, 10004, 12505, 13210, 25010, 26420, 50020, 54161, 80581, 108322, 161162, 216644, 270805, 322324, 402905, 541610, 805810, 1083220, 1611620, 3303821, 6607642, 13215284, 16519105, 33038210, 66076420]

約数ペア:

[(1, 66076420), (2, 33038210), (4, 16519105), (5, 13215284), (10, 6607642), (20, 3303821), (41, 1611620), (61, 1083220), (82, 805810), (122, 541610), (164, 402905), (205, 322324), (244, 270805), (305, 216644), (410, 161162), (610, 108322), (820, 80581), (1220, 54161), (1321, 50020), (2501, 26420), (2642, 25010), (5002, 13210), (5284, 12505), (6605, 10004)]