2008121960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{52901}}^1$

素因数の和:52998

約数の個数: 64

約数和(自身を含む): 4932582480

約数和(自身を除く): 2924460520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2920, 3796, 4745, 7592, 9490, 18980, 37960, 52901, 105802, 211604, 264505, 423208, 529010, 687713, 1058020, 1375426, 2116040, 2750852, 3438565, 3861773, 5501704, 6877130, 7723546, 13754260, 15447092, 19308865, 27508520, 30894184, 38617730, 50203049, 77235460, 100406098, 154470920, 200812196, 251015245, 401624392, 502030490, 1004060980, 2008121960]

約数ペア:

[(1, 2008121960), (2, 1004060980), (4, 502030490), (5, 401624392), (8, 251015245), (10, 200812196), (13, 154470920), (20, 100406098), (26, 77235460), (40, 50203049), (52, 38617730), (65, 30894184), (73, 27508520), (104, 19308865), (130, 15447092), (146, 13754260), (260, 7723546), (292, 6877130), (365, 5501704), (520, 3861773), (584, 3438565), (730, 2750852), (949, 2116040), (1460, 1375426), (1898, 1058020), (2920, 687713), (3796, 529010), (4745, 423208), (7592, 264505), (9490, 211604), (18980, 105802), (37960, 52901)]