78886284520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48101393}}^1$

素因数の和:48101445

約数の個数: 32

約数和(自身を含む): 181823269320

約数和(自身を除く): 102936984800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48101393, 96202786, 192405572, 240506965, 384811144, 481013930, 962027860, 1924055720, 1972157113, 3944314226, 7888628452, 9860785565, 15777256904, 19721571130, 39443142260, 78886284520]

約数ペア:

[(1, 78886284520), (2, 39443142260), (4, 19721571130), (5, 15777256904), (8, 9860785565), (10, 7888628452), (20, 3944314226), (40, 1972157113), (41, 1924055720), (82, 962027860), (164, 481013930), (205, 384811144), (328, 240506965), (410, 192405572), (820, 96202786), (1640, 48101393)]