4050320

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 9501624

約数和(自身を除く): 5451304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 257, 394, 514, 788, 985, 1028, 1285, 1576, 1970, 2056, 2570, 3152, 3940, 4112, 5140, 7880, 10280, 15760, 20560, 50629, 101258, 202516, 253145, 405032, 506290, 810064, 1012580, 2025160, 4050320]

約数ペア:

[(1, 4050320), (2, 2025160), (4, 1012580), (5, 810064), (8, 506290), (10, 405032), (16, 253145), (20, 202516), (40, 101258), (80, 50629), (197, 20560), (257, 15760), (394, 10280), (514, 7880), (788, 5140), (985, 4112), (1028, 3940), (1285, 3152), (1576, 2570), (1970, 2056)]