8100640

素因数分解:

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

素因数の和:469

約数の個数: 48

約数和(自身を含む): 19309752

約数和(自身を除く): 11209112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 257, 394, 514, 788, 985, 1028, 1285, 1576, 1970, 2056, 2570, 3152, 3940, 4112, 5140, 6304, 7880, 8224, 10280, 15760, 20560, 31520, 41120, 50629, 101258, 202516, 253145, 405032, 506290, 810064, 1012580, 1620128, 2025160, 4050320, 8100640]

約数ペア:

[(1, 8100640), (2, 4050320), (4, 2025160), (5, 1620128), (8, 1012580), (10, 810064), (16, 506290), (20, 405032), (32, 253145), (40, 202516), (80, 101258), (160, 50629), (197, 41120), (257, 31520), (394, 20560), (514, 15760), (788, 10280), (985, 8224), (1028, 7880), (1285, 6304), (1576, 5140), (1970, 4112), (2056, 3940), (2570, 3152)]