12381626680

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{615389}}^1$

素因数の和:615903

約数の個数: 32

約数和(自身を含む): 27914090400

約数和(自身を除く): 15532463720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 615389, 1230778, 2461556, 3076945, 4923112, 6153890, 12307780, 24615560, 309540667, 619081334, 1238162668, 1547703335, 2476325336, 3095406670, 6190813340, 12381626680]

約数ペア:

[(1, 12381626680), (2, 6190813340), (4, 3095406670), (5, 2476325336), (8, 1547703335), (10, 1238162668), (20, 619081334), (40, 309540667), (503, 24615560), (1006, 12307780), (2012, 6153890), (2515, 4923112), (4024, 3076945), (5030, 2461556), (10060, 1230778), (20120, 615389)]