139521040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 346035888

約数和(自身を除く): 206514848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 272, 340, 346, 593, 680, 692, 865, 1186, 1360, 1384, 1730, 2372, 2768, 2941, 2965, 3460, 4744, 5882, 5930, 6920, 9488, 10081, 11764, 11860, 13840, 14705, 20162, 23528, 23720, 29410, 40324, 47056, 47440, 50405, 58820, 80648, 100810, 102589, 117640, 161296, 201620, 205178, 235280, 403240, 410356, 512945, 806480, 820712, 1025890, 1641424, 1744013, 2051780, 3488026, 4103560, 6976052, 8207120, 8720065, 13952104, 17440130, 27904208, 34880260, 69760520, 139521040]

約数ペア:

[(1, 139521040), (2, 69760520), (4, 34880260), (5, 27904208), (8, 17440130), (10, 13952104), (16, 8720065), (17, 8207120), (20, 6976052), (34, 4103560), (40, 3488026), (68, 2051780), (80, 1744013), (85, 1641424), (136, 1025890), (170, 820712), (173, 806480), (272, 512945), (340, 410356), (346, 403240), (593, 235280), (680, 205178), (692, 201620), (865, 161296), (1186, 117640), (1360, 102589), (1384, 100810), (1730, 80648), (2372, 58820), (2768, 50405), (2941, 47440), (2965, 47056), (3460, 40324), (4744, 29410), (5882, 23720), (5930, 23528), (6920, 20162), (9488, 14705), (10081, 13840), (11764, 11860)]