1971294760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1202009}}^1$

素因数の和:1202061

約数の個数: 32

約数和(自身を含む): 4543597800

約数和(自身を除く): 2572303040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1202009, 2404018, 4808036, 6010045, 9616072, 12020090, 24040180, 48080360, 49282369, 98564738, 197129476, 246411845, 394258952, 492823690, 985647380, 1971294760]

約数ペア:

[(1, 1971294760), (2, 985647380), (4, 492823690), (5, 394258952), (8, 246411845), (10, 197129476), (20, 98564738), (40, 49282369), (41, 48080360), (82, 24040180), (164, 12020090), (205, 9616072), (328, 6010045), (410, 4808036), (820, 2404018), (1640, 1202009)]