12939040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 33312384

約数和(自身を除く): 20373344

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 67, 68, 71, 80, 85, 134, 136, 142, 160, 170, 268, 272, 284, 335, 340, 355, 536, 544, 568, 670, 680, 710, 1072, 1136, 1139, 1207, 1340, 1360, 1420, 2144, 2272, 2278, 2414, 2680, 2720, 2840, 4556, 4757, 4828, 5360, 5680, 5695, 6035, 9112, 9514, 9656, 10720, 11360, 11390, 12070, 18224, 19028, 19312, 22780, 23785, 24140, 36448, 38056, 38624, 45560, 47570, 48280, 76112, 80869, 91120, 95140, 96560, 152224, 161738, 182240, 190280, 193120, 323476, 380560, 404345, 646952, 761120, 808690, 1293904, 1617380, 2587808, 3234760, 6469520, 12939040]

約数ペア:

[(1, 12939040), (2, 6469520), (4, 3234760), (5, 2587808), (8, 1617380), (10, 1293904), (16, 808690), (17, 761120), (20, 646952), (32, 404345), (34, 380560), (40, 323476), (67, 193120), (68, 190280), (71, 182240), (80, 161738), (85, 152224), (134, 96560), (136, 95140), (142, 91120), (160, 80869), (170, 76112), (268, 48280), (272, 47570), (284, 45560), (335, 38624), (340, 38056), (355, 36448), (536, 24140), (544, 23785), (568, 22780), (670, 19312), (680, 19028), (710, 18224), (1072, 12070), (1136, 11390), (1139, 11360), (1207, 10720), (1340, 9656), (1360, 9514), (1420, 9112), (2144, 6035), (2272, 5695), (2278, 5680), (2414, 5360), (2680, 4828), (2720, 4757), (2840, 4556)]