127271720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109717}}^1$

素因数の和:109757

約数の個数: 32

約数和(自身を含む): 296238600

約数和(自身を除く): 168966880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 109717, 219434, 438868, 548585, 877736, 1097170, 2194340, 3181793, 4388680, 6363586, 12727172, 15908965, 25454344, 31817930, 63635860, 127271720]

約数ペア:

[(1, 127271720), (2, 63635860), (4, 31817930), (5, 25454344), (8, 15908965), (10, 12727172), (20, 6363586), (29, 4388680), (40, 3181793), (58, 2194340), (116, 1097170), (145, 877736), (232, 548585), (290, 438868), (580, 219434), (1160, 109717)]