4800280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2927}}^1$

素因数の和:2979

約数の個数: 32

約数和(自身を含む): 11067840

約数和(自身を除く): 6267560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2927, 5854, 11708, 14635, 23416, 29270, 58540, 117080, 120007, 240014, 480028, 600035, 960056, 1200070, 2400140, 4800280]

約数ペア:

[(1, 4800280), (2, 2400140), (4, 1200070), (5, 960056), (8, 600035), (10, 480028), (20, 240014), (40, 120007), (41, 117080), (82, 58540), (164, 29270), (205, 23416), (328, 14635), (410, 11708), (820, 5854), (1640, 2927)]