80346820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 192326400

約数和(自身を除く): 111979580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 29, 38, 46, 58, 76, 92, 95, 115, 116, 145, 190, 230, 290, 317, 380, 437, 460, 551, 580, 634, 667, 874, 1102, 1268, 1334, 1585, 1748, 2185, 2204, 2668, 2755, 3170, 3335, 4370, 5510, 6023, 6340, 6670, 7291, 8740, 9193, 11020, 12046, 12673, 13340, 14582, 18386, 24092, 25346, 29164, 30115, 36455, 36772, 45965, 50692, 60230, 63365, 72910, 91930, 120460, 126730, 138529, 145820, 174667, 183860, 211439, 253460, 277058, 349334, 422878, 554116, 692645, 698668, 845756, 873335, 1057195, 1385290, 1746670, 2114390, 2770580, 3493340, 4017341, 4228780, 8034682, 16069364, 20086705, 40173410, 80346820]

約数ペア:

[(1, 80346820), (2, 40173410), (4, 20086705), (5, 16069364), (10, 8034682), (19, 4228780), (20, 4017341), (23, 3493340), (29, 2770580), (38, 2114390), (46, 1746670), (58, 1385290), (76, 1057195), (92, 873335), (95, 845756), (115, 698668), (116, 692645), (145, 554116), (190, 422878), (230, 349334), (290, 277058), (317, 253460), (380, 211439), (437, 183860), (460, 174667), (551, 145820), (580, 138529), (634, 126730), (667, 120460), (874, 91930), (1102, 72910), (1268, 63365), (1334, 60230), (1585, 50692), (1748, 45965), (2185, 36772), (2204, 36455), (2668, 30115), (2755, 29164), (3170, 25346), (3335, 24092), (4370, 18386), (5510, 14582), (6023, 13340), (6340, 12673), (6670, 12046), (7291, 11020), (8740, 9193)]