80012320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12197}}^1$

素因数の和:12253

約数の個数: 48

約数和(自身を含む): 193655448

約数和(自身を除く): 113643128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12197, 24394, 48788, 60985, 97576, 121970, 195152, 243940, 390304, 487880, 500077, 975760, 1000154, 1951520, 2000308, 2500385, 4000616, 5000770, 8001232, 10001540, 16002464, 20003080, 40006160, 80012320]

約数ペア:

[(1, 80012320), (2, 40006160), (4, 20003080), (5, 16002464), (8, 10001540), (10, 8001232), (16, 5000770), (20, 4000616), (32, 2500385), (40, 2000308), (41, 1951520), (80, 1000154), (82, 975760), (160, 500077), (164, 487880), (205, 390304), (328, 243940), (410, 195152), (656, 121970), (820, 97576), (1312, 60985), (1640, 48788), (3280, 24394), (6560, 12197)]