2025160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 4597560

約数和(自身を除く): 2572400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 257, 394, 514, 788, 985, 1028, 1285, 1576, 1970, 2056, 2570, 3940, 5140, 7880, 10280, 50629, 101258, 202516, 253145, 405032, 506290, 1012580, 2025160]

約数ペア:

[(1, 2025160), (2, 1012580), (4, 506290), (5, 405032), (8, 253145), (10, 202516), (20, 101258), (40, 50629), (197, 10280), (257, 7880), (394, 5140), (514, 3940), (788, 2570), (985, 2056), (1028, 1970), (1285, 1576)]