101620280

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2801}}^1$

素因数の和:3719

約数の個数: 32

約数和(自身を含む): 228979440

約数和(自身を除く): 127359160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 2801, 3628, 4535, 5602, 7256, 9070, 11204, 14005, 18140, 22408, 28010, 36280, 56020, 112040, 2540507, 5081014, 10162028, 12702535, 20324056, 25405070, 50810140, 101620280]

約数ペア:

[(1, 101620280), (2, 50810140), (4, 25405070), (5, 20324056), (8, 12702535), (10, 10162028), (20, 5081014), (40, 2540507), (907, 112040), (1814, 56020), (2801, 36280), (3628, 28010), (4535, 22408), (5602, 18140), (7256, 14005), (9070, 11204)]